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Draw the Lewis structure of (CHO)OCH₃ and then choose the appropriate set of molecular geometries of the three central atoms. Your answer choice is independent of the orientation of your drawn structure.

The solubility of He in water at 25.0 °C is 7.0 × 10⁻⁵ M when the partial pressure of He is 0.20 atm. What is the value of the Henry's law constant for He ?

  • monosaccharide
  • oligosaccharide
  • monopolysaccharide
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  • homopolysaccharide

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According to the balanced reaction below, calculate the moles of NH₃ that form when 4.2 mol of N₂H₄ completely reacts 3 N₂H₄(l) → 4 NH₃(g) + N₂(g)

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What is the correct IUPAC name for HBrO(aq)?

What is the correct IUPAC name for Ca(BrO₂)₂?

What is the correct IUPAC name for Ti(ClO₄)₄?

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¹ This quote was provided at a time where Aktiv Chemistry was named Chem101. We have replaced the use of Chem101 in any direct quotes with Aktiv Chemistry to minimize confusion.

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Listen: we know homework isn’t fun, but it is a good way to reinforce the ideas and concepts you’ve learned in class. But what if you’re really struggling with your homework assignments? 

If you’ve looked online for a little extra help with your take-home assignments, you’ve probably stumbled across websites claiming to provide the homework help and answers students need to succeed . But can homework help sites really make a difference? And if so, which are the best homework help websites you can use? 

Below, we answer these questions and more about homework help websites–free and paid. We’ll go over: 

  • The basics of homework help websites 
  • The cost of homework help websites 
  • The five best homework websites out there 
  • The pros and cons of using these websites for homework help 
  • The line between “learning” and “cheating” when using online homework help 
  • Tips for getting the most out of a homework help website

So let’s get started! 

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The Basics About Homework Help Websites–Free and Paid

Homework help websites are designed to help you complete your homework assignments, plain and simple. 

What Makes a Homework Help Site Worth Using

Most of the best sites allow users to ask questions and then provide an answer (or multiple possible answers) and explanation in seconds. In some instances, you can even send a photo of a particular assignment or problem instead of typing the whole thing out! 

Homework help sites also offer more than just help answering homework questions. Common services provided are Q&A with experts, educational videos, lectures, practice tests and quizzes, learning modules, math solving tools, and proofreading help. Homework help sites can also provide textbook solutions (i.e. answers to problems in tons of different textbooks your school might be using), one-on-one tutoring, and peer-to-peer platforms that allow you to discuss subjects you’re learning about with your fellow students. 

And best of all, nearly all of them offer their services 24/7, including tutoring! 

What You Should Should Look Out For

When it comes to homework help, there are lots–and we mean lots –of scam sites out there willing to prey on desperate students. Before you sign up for any service, make sure you read reviews to ensure you’re working with a legitimate company. 

A word to the wise: the more a company advertises help that veers into the territory of cheating, the more likely it is to be a scam. The best homework help websites are going to help you learn the concepts you’ll need to successfully complete your homework on your own. (We’ll go over the difference between “homework help” and “cheating” a little later!) 

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You don't need a golden piggy bank to use homework help websites. Some provide low or no cost help for students like you!

How Expensive Are the Best Homework Help Websites?

First of all, just because a homework help site costs money doesn’t mean it’s a good service. Likewise, just because a homework help website is free doesn’t mean the help isn’t high quality. To find the best websites, you have to take a close look at the quality and types of information they provide! 

When it comes to paid homework help services, the prices vary pretty widely depending on the amount of services you want to subscribe to. Subscriptions can cost anywhere from $2 to $150 dollars per month, with the most expensive services offering several hours of one-on-one tutoring with a subject expert per month.

The 5 Best Homework Help Websites 

So, what is the best homework help website you can use? The answer is that it depends on what you need help with. 

The best homework help websites are the ones that are reliable and help you learn the material. They don’t just provide answers to homework questions–they actually help you learn the material. 

That’s why we’ve broken down our favorite websites into categories based on who they’re best for . For instance, the best website for people struggling with math might not work for someone who needs a little extra help with science, and vice versa. 

Keep reading to find the best homework help website for you! 

Best Free Homework Help Site: Khan Academy

  • Price: Free!
  • Best for: Practicing tough material 

Not only is Khan Academy free, but it’s full of information and can be personalized to suit your needs. When you set up your account , you choose which courses you need to study, and Khan Academy sets up a personal dashboard of instructional videos, practice exercises, and quizzes –with both correct and incorrect answer explanations–so you can learn at your own pace. 

As an added bonus, it covers more course topics than many other homework help sites, including several AP classes.

Runner Up: Brainly.com offers a free service that allows you to type in questions and get answers and explanations from experts. The downside is that you’re limited to two answers per question and have to watch ads. 

Best Paid Homework Help Site: Chegg

  • Price: $14.95 to $19.95 per month
  • Best for: 24/7 homework assistance  

This service has three main parts . The first is Chegg Study, which includes textbook solutions, Q&A with subject experts, flashcards, video explanations, a math solver, and writing help. The resources are thorough, and reviewers state that Chegg answers homework questions quickly and accurately no matter when you submit them.  

Chegg also offers textbook rentals for students who need access to textbooks outside of their classroom. Finally, Chegg offers Internship and Career Advice for students who are preparing to graduate and may need a little extra help with the transition out of high school. 

Another great feature Chegg provides is a selection of free articles geared towards helping with general life skills, like coping with stress and saving money. Chegg’s learning modules are comprehensive, and they feature solutions to the problems in tons of different textbooks in a wide variety of subjects. 

Runner Up: Bartleby offers basically the same services as Chegg for $14.99 per month. The reason it didn’t rank as the best is based on customer reviews that say user questions aren’t answered quite as quickly on this site as on Chegg. Otherwise, this is also a solid choice!

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Best Site for Math Homework Help: Photomath

  • Price: Free (or $59.99 per year for premium services) 
  • Best for: Explaining solutions to math problems

This site allows you to t ake a picture of a math problem, and instantly pulls up a step-by-step solution, as well as a detailed explanation of the concept. Photomath also includes animated videos that break down mathematical concepts to help you better understand and remember them. 

The basic service is free, but for an additional fee you can get extra study tools and learn additional strategies for solving common math problems.

Runner Up: KhanAcademy offers in-depth tutorials that cover complex math topics for free, but you won’t get the same tailored help (and answers!) that Photomath offers. 

Best Site for English Homework Help: Princeton Review Academic Tutoring

  • Price: $40 to $153 per month, depending on how many hours of tutoring you want 
  • Best for: Comprehensive and personalized reading and writing help 

While sites like Grammarly and Sparknotes help you by either proofreading what you write via an algorithm or providing book summaries, Princeton Review’s tutors provide in-depth help with vocabulary, literature, essay writing and development, proofreading, and reading comprehension. And unlike other services, you’ll have the chance to work with a real person to get help. 

The best part is that you can get on-demand English (and ESL) tutoring from experts 24/7. That means you can get help whenever you need it, even if you’re pulling an all-nighter! 

This is by far the most expensive homework site on this list, so you’ll need to really think about what you need out of a homework help website before you commit. One added benefit is that the subscription covers over 80 other subjects, including AP classes, which can make it a good value if you need lots of help!  

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Best Site for STEM Homework Help: Studypool

  • Best for: Science homework help
  • Price: Varies; you’ll pay for each question you submit

When it comes to science homework help, there aren’t a ton of great resources out there. The best of the bunch is Studypool, and while it has great reviews, there are some downsides as well. 

Let’s start with the good stuff. Studypool offers an interesting twist on the homework help formula. After you create a free account, you can submit your homework help questions, and tutors will submit bids to answer your questions. You’ll be able to select the tutor–and price point–that works for you, then you’ll pay to have your homework question answered. You can also pay a small fee to access notes, lectures, and other documents that top tutors have uploaded. 

The downside to Studypool is that the pricing is not transparent . There’s no way to plan for how much your homework help will cost, especially if you have lots of questions! Additionally, it’s not clear how tutors are selected, so you’ll need to be cautious when you choose who you’d like to answer your homework questions.  

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What Are the Pros and Cons of Using Homework Help Sites?

Homework help websites can be a great resource if you’re struggling in a subject, or even if you just want to make sure that you’re really learning and understanding topics and ideas that you’re interested in. But, there are some possible drawbacks if you don’t use these sites responsibly. 

We’ll go over the good–and the not-so-good–aspects of getting online homework help below. 

3 Pros of Using Homework Help Websites 

First, let’s take a look at the benefits. 

#1: Better Grades Beyond Homework

This is a big one! Getting outside help with your studies can improve your understanding of concepts that you’re learning, which translates into better grades when you take tests or write essays. 

Remember: homework is designed to help reinforce the concepts you learned in class. If you just get easy answers without learning the material behind the problems, you may not have the tools you need to be successful on your class exams…or even standardized tests you’ll need to take for college. 

#2: Convenience

One of the main reasons that online homework help is appealing is because it’s flexible and convenient. You don’t have to go to a specific tutoring center while they’re open or stay after school to speak with your teacher. Instead, you can access helpful resources wherever you can access the internet, whenever you need them.

This is especially true if you tend to study at off hours because of your extracurriculars, work schedule, or family obligations. Sites that offer 24/7 tutoring can give you the extra help you need if you can’t access the free resources that are available at your school. 

#3: Variety

Not everyone learns the same way. Maybe you’re more of a visual learner, but your teacher mostly does lectures. Or maybe you learn best by listening and taking notes, but you’re expected to learn something just from reading the textbook . 

One of the best things about online homework help is that it comes in a variety of forms. The best homework help sites offer resources for all types of learners, including videos, practice activities, and even one-on-one discussions with real-life experts. 

This variety can also be a good thing if you just don’t really resonate with the way a concept is being explained (looking at you, math textbooks!).

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Not so fast. There are cons to homework help websites, too. Get to know them below!

3 Cons of Using Homework Help Websites 

Now, let’s take a look at the drawbacks of online homework help. 

#1: Unreliable Info

This can be a real problem. In addition to all the really good homework help sites, there are a whole lot of disreputable or unreliable sites out there. The fact of the matter is that some homework help sites don’t necessarily hire people who are experts in the subjects they’re talking about. In those cases, you may not be getting the accurate, up-to-date, and thorough information you need.

Additionally, even the great sites may not be able to answer all of your homework questions. This is especially true if the site uses an algorithm or chatbot to help students…or if you’re enrolled in an advanced or college-level course. In these cases, working with your teacher or school-provided tutors are probably your best option. 

#2: No Clarification

This depends on the service you use, of course. But the majority of them provide free or low-cost help through pre-recorded videos. Watching videos or reading info online can definitely help you with your homework… but you can’t ask questions or get immediate feedback if you need it .

#3: Potential For Scamming 

Like we mentioned earlier, there are a lot of homework help websites out there, and lots of them are scams. The review comments we read covered everything from outdated or wrong information, to misleading claims about the help provided, to not allowing people to cancel their service after signing up. 

No matter which site you choose to use, make sure you research and read reviews before you sign up–especially if it’s a paid service! 

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When Does “Help” Become “Cheating”?

Admittedly, whether using homework help websites constitutes cheating is a bit of a grey area. For instance, is it “help” when a friend reads your essay for history class and corrects your grammar, or is it “cheating”? The truth is, not everyone agrees on when “help” crosses the line into “cheating .” When in doubt, it can be a good idea to check with your teacher to see what they think about a particular type of help you want to get. 

That said, a general rule of thumb to keep in mind is to make sure that the assignment you turn in for credit is authentically yours . It needs to demonstrate your own thoughts and your own current abilities. Remember: the point of every homework assignment is to 1) help you learn something, and 2) show what you’ve learned. 

So if a service answers questions or writes essays for you, there’s a good chance using it constitutes cheating. 

Here’s an example that might help clarify the difference for you. Brainstorming essay ideas with others or looking online for inspiration is “help” as long as you write the essay yourself. Having someone read it and give you feedback about what you need to change is also help, provided you’re the one that makes the changes later. 

But copying all or part of an essay you find online or having someone write (or rewrite) the whole thing for you would be “cheating.” The same is true for other subjects. Ultimately, if you’re not generating your own work or your own answers, it’s probably cheating.

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5 Tips for Finding the Best Homework Help Websites for You

Now that you know some of our favorite homework help websites, free and paid, you can start doing some additional research on your own to decide which services might work best for you! Here are some top tips for choosing a homework help website. 

Tip 1: Decide How You Learn Best 

Before you decide which site or sites you’re going to use for homework help, y ou should figure out what kind of learning style works for you the most. Are you a visual learner? Then choose a site that uses lots of videos to help explain concepts. If you know you learn best by actually doing tasks, choose a site that provides lots of practice exercises.

Tip 2: Determine Which Subjects You Need Help With

Just because a homework help site is good overall doesn’t mean that it’s equally good for every subject. If you only need help in math, choose a site that specializes in that area. But if history is where you’re struggling, a site that specializes in math won’t be much help. So make sure to choose a site that you know provides high-quality help in the areas you need it most. 

Tip 3: Decide How Much One-On-One Help You Need 

This is really about cost-effectiveness. If you learn well on your own by reading and watching videos, a free site like Khan Academy is a good choice. But if you need actual tutoring, or to be able to ask questions and get personalized answers from experts, a paid site that provides that kind of service may be a better option.

Tip 4: Set a Budget 

If you decide you want to go with a paid homework help website, set a budget first . The prices for sites vary wildly, and the cost to use them can add up quick. 

Tip 5: Read the Reviews

Finally, it’s always a good idea to read actual reviews written by the people using these homework sites. You’ll learn the good, the bad, and the ugly of what the users’ experiences have been. This is especially true if you intend to subscribe to a paid service. You’ll want to make sure that users think it’s worth the price overall!

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What’s Next?

If you want to get good grades on your homework, it’s a good idea to learn how to tackle it strategically. Our expert tips will help you get the most out of each assignment…and boost your grades in the process. 

Doing well on homework assignments is just one part of getting good grades. We’ll teach you everything you need to know about getting great grades in high school in this article. 

Of course, test grades can make or break your GPA, too. Here are 17 expert tips that’ll help you get the most out of your study prep before you take an exam. 

Need more help? Check out Tutorbase!

Our vetted tutor database includes a range of experienced educators who can help you polish an essay for English or explain how derivatives work for Calculus. You can use dozens of filters and search criteria to find the perfect person for your needs.

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Ashley Sufflé Robinson has a Ph.D. in 19th Century English Literature. As a content writer for PrepScholar, Ashley is passionate about giving college-bound students the in-depth information they need to get into the school of their dreams.

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  • Q 1 : 1 roac S Ily Neutral Solution pH of . It is said to be neutral. • This means that there are as many H* as OH. are neutral. and • Pure . is neither acidic or basic. See Answer
  • Q 2 : Buffers Substances that change_____in pH. _____H+ when pH is to low (acidic). _______H+ when pH is to high (basic). See Answer
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  • Q 6 : The reaction of cyclohexadiene with acrolein is shown below. Use Frontier Molecular Orbital Theory (showing relevant orbital interactions) to explain why this reaction favours the endo product 18. Explain, using energy levels, why the reaction of cyclohexadiene proceedsrapidly with acrolein than with ethene.more Explain, using energy levels, why the reaction below, between an electron-deficient diene and an electron-rich alkene, occurs readily. Draw the structure, including stereochemistry, of the product 19 of the reaction below. Draw a 'curly' arrow mechanism and draw the transition state leading to See Answer
  • Q 7 : The industrial production of sulfuric acid involves several steps. One of these steps is the reaction of sulfur dioxide, SO2, with oxygen to form sulfur trioxide, SO3. 250,(g) + O:(g) = 250,(g) he reaction to produce sulfur trioxide reaches an equilibrium. 250,(g) + 0,(g)- 250,(g) The forward reaction is exothermic. The rate of attainment of equilibrium and the equilibrium yield of sulfur trioxide are affected by pressure and temperature. A manufacturer considered two sets of conditions, A and B, for this reaction.In each case sulfur dioxide is mixed with excess oxygen.The manufacturer changed the temperature and the pressure and only used a catalyst in B.The sets of conditions A and B are shown in Figure 7. The manufacturer chooses set of conditions B rather than set of conditions A. Explain, by considering the effect of changing the conditions on the rate of attainment of equilibrium andon the equilibrium yield of sulfur trioxide, why the manufacturer chooses the set of conditions B ratherthan the set of conditions A. See Answer
  • Q 8 : 2 Sodium hydride, NaH, can be used to generate hydrogen for fuel cells. (a) In order to calculate the first electron affinity of hydrogen, a student was asked to draw a Born-Haber cycle for sodium hydride. The cycle had two errors but the numerical data were correct. (i) Identify and correct the two errors in this Born-Haber cycle. (ii) Calculate the first electron affinity, in kJmol", of hydrogen, using the values given in the cycle. (b) The equation for the formation of sodium hydride is \mathrm{Na}(\mathrm{s})+1 / 2 \mathrm{H}_{2}(\mathrm{q}) \rightarrow \mathrm{NaH}(\mathrm{s}) \quad \Delta_{\mathrm{f}} H^{\theta}=-56 \mathrm{~kJ} \mathrm{~mol}^{-1} \text { The standard entropy change of the system, } \Delta S_{\text {system }}^{\ominus}, \text { for this reaction is } -76.5 \mathrm{JK}^{-1} \mathrm{~mol}^{-1} i) Deduce the feasibility of this reaction at 298 K by calculating the free energy change, AG.וא) \text { Calculate the temperature at which } \Delta G=0 (c) The sodium hydride is crushed in the presence of water to release the hydrogen gas for a fuel cell. The overall equation for the reaction occurring in the fuel cell is \mathrm{H}_{2}(\mathrm{~g})+1 / \mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{H}_{2} \mathrm{O}(\mathrm{l}) In an alkaline fuel cell the oxidation half-equation is \mathrm{H}_{2}(\mathrm{~g})+2 \mathrm{OH}^{-}(\mathrm{aq}) \rightarrow 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})+2 \mathrm{e}^{-} Deduce the reduction half-equation for the alkaline fuel cell. See Answer
  • Q 9 : Many metals corrode. An experiment is carried out to see if magnesium ribbon wrapped around a piece of iron rod has an effect on the rate at which the iron rod rusts. The apparatus is shown in Figure 4. The method used is an iron rod, with magnesium ribbon wrapped around it, is placed in a boiling tube labelled A 10 cm3 water from a measuring cylinder is poured into this boiling tube an identical rod but with no magnesium ribbon wrapped around it is placed in a second boiling tube labelled B Both boiling tubes are left for a few days. (i) Explain why iron rod rather than stainless steel rod is used in this experiment. (iii) After a few days the two boiling tubes were examined. (ii) State why it is not necessary to use a pipette to measure out 10 cm3 water in this experiment. See Answer
  • Q 10 : Q4) Consider the following pH curve: a) Explain if the analyte used to obtain the following pH curve was strong or weak, an acid or a base, monoprotic or polyprotic and HOW YOU KNOW (i.e.what were the give away clues.) b) What would be an appropriate indicator for this reaction? Explain why. See Answer
  • Q 11 : Into a beaker of ultrapure water, 20 mL of hexane is added. A high-speed stirrer thencauses the hexane to be distributed into a dispersion of droplets, each of radius 1 um.If the water/hexane interfacial tension is 50.2 mN m-', how much work is done indispersing the oil? What is the pressure difference between the inside and outside of each droplet? See Answer
  • Q 12 : Arrange the boiling points of the aqueous solutions, relative to pure water. Assume complete dissociation for the ionic compounds. See Answer
  • Q 13 : Which drawing(s) represents a face-centered cubic unit cell? See Answer
  • Q 14 : 14. The following table gives experimental boiling points for a series of compounds containing group 16 elements bonded to hydrogen atoms. a) (2 marks) Briefly explain the main reason why boiling point decreases from H2Te to H2Se to H2S. b) (1 mark) Briefly explain why H2O seemingly breaks this trend with a higher boiling point compared to most of the others. See Answer
  • Q 15 : In which reaction is nitrogen reduced? \mathrm{Cu}^{2+}+2 \mathrm{NO}_{2}+2 \mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{Cu}+4 \mathrm{H}^{+}+2 \mathrm{NO}_{3}^{-} \mathrm{Q} 4 \mathrm{Zn}+10 \mathrm{H}^{+}+\mathrm{NO}_{3}^{-} \rightarrow 4 \mathrm{Zn}^{2+}+\mathrm{NH}_{4}{ }^{+}+3 \mathrm{H}_{2} \mathrm{O} 2 \mathrm{NO}+\mathrm{O}_{2} \rightarrow 2 \mathrm{NO}_{2} 4 \mathrm{NH}_{3}+5 \mathrm{O}_{2} \rightarrow 4 \mathrm{NO}+6 \mathrm{H}_{2} \mathrm{O} See Answer
  • Q 16 : Methylamine ,CH3NH2, is a weak base with a K, value of 4. 37 × 10¬4 .Find the pH of a 3.75 mol/L solution. [8 marks T] See Answer
  • Q 17 : Covalent substances can be simple molecular covalent or giant covalent. Oxygen, O2, is also a simple molecular, covalent substance. Draw a dot and cross diagram for the molecule of oxygen. See Answer
  • Q 18 : Which of the following substances will be a solid at 20 °C and will melt when placed in a beaker of hot water at 80 °C? See Answer
  • Q 19 : The concentration of dilute sulfuric acid can be determined by titration with sodium hydroxide solution of known concentration. 25.00 cm of dilute sulfuric acid was measured out using a pipette and transferred to a conical flask. A few drops of methyl orange indicator were added to the acid in the conical flask. Sodium hydroxidesolution was added to the acid from a burette until the indicator changed colour. The titration was repeated until two concordant results were obtained. The accurate result was the average of the two concordant results. A brief report of the practical method has been given above. Further detail can be added to this method to ensure that anyone following the method will obtain anaccurate result. Explain two details that could be added to this practical method to ensure an accurate result is obtained. See Answer
  • Q 20 : Consider the following: NO2 → N2O3 The nitrogen atom in each NO2 O loses 1 electron loses 2 electrons gains 2 electrons gains 1 electron See Answer

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Chemistry Help and Problems

In our chemistry help section, you’ll find a broad range of topics from very basic chemistry all the way through

some more advanced organic chemistry topics. Browse our chemistry topics below, or contact one of our chemistry tutors for private help.

Before you get into the other topics, learning HOW to learn chemistry is a great place to start, and this section will help.

Numbers and Math Operations

What math do you need know for chemistry? This section illuminates those specific operations.

Units, Measures, & Dimensions

Take a look at all the various types of measures and units you need to understand chemistry.

Atomic Structure

Need to understand how atoms are structured? Get started here.

The Periodic Table

Almost everyone has heard of the periodic table, but do you know how to read it? This section gives you a thorough

history of the periodic table, and explains how elements are divided and grouped in the table.

Take a deep dive on every element on the periodic table.

Mixtures and solutions may seem to have a lot in common, but they’re actually very different. Find out more here.

States of Matter

Matter has a variety of different states, ranging from gases to solids. Learn more about them in this section.

What are the different bonds and how do you create a compound? Get some clarity in this thorough section.

Let’s learn more about writing simple chemical equations and types of reactions. We cover a lot of ground here.

Moles and Percents

What are moles and why do we need them? No, not the animal – although those are great too!

Basic Stoichiometry

What is stoichiometry and what forms does it take? This section goes into detail.

Redox and Electroplating

Let’s go further into electrochemistry and redox reactions.

What are gases and the laws that govern them? We take a look here.

Acids and Bases

What makes an acid or a base weak or strong? What are acids and bases in the first place? Let’s dig in.

Polyatomic Ions

Polyatomic ions are ions with many atoms; they contain more than one element. They are charged just like regular

ions; for example, an ion looks like this: Cl – , while a polyatomic ion looks like this:

ClO 3 – . While the chloride ion only contains one element – chlorine – the chlorate ion contains

both chlorine and oxygen. Read this lesson for examples of other commonly known polyatomic ions.

Electronegativity

Electronegativity is a property of atoms that has to do with the tendency to attract electrons from another atom to

form an ionic bond. Electronegativity is measured using the Pauling scale, which was instated by Linus Pauling. Read

this lesson to find out all about electronegativity!

Endothermic and Exothermic Reactions

All reactions can be classified as endothermic (storing energy) or exothermic (releasing energy). This lesson

reviews the ways in which reactions store and give off energy, including items like heat, light, and mechanical energy.

Once you’ve read this lesson, test yourself with a quick practice quiz to review the endothermic and exothermic

Hydrolysis occurs when one adds water to a compound, which causes the compound to break apart into a cation and an

anion. Then, water can bond chemically with the substance, changing its chemical form.These reactions often take place

when ionic compounds dissolve in water. Read on to learn more about the process of hydrolysis!

Dynamic Equilibrium

When a reaction is in a state of dynamic equilibrium, the reaction is reversible. This means that, to maintain

equilibrium, the products break apart to form the reactants. Read this lesson for more information on dynamic

equilibrium!

Enthalpy is a state function that is measured in kilojoules per mole. Enthalpy is abbreviated as H in the

Gibbs free energy equation: G = H – TS. Enthalpy can help an observer discern whether a reaction is endothermic or

exothermic based on the enthalpy having a positive or negative value. Read on to find out more about enthalpy!

Like enthalpy, entropy is also a state function that is defined as ΔS , or S f –

S i . It is a spontaneous reaction that occurs naturally. Entropy measures the disorder of a system. Read this

lesson to learn more about entropy!

Mass Spectrometry

Mass spectrometry is used to experimentally determine the molecular weight of a sample by ionizing a molecule and

passing it through electrical and magnetic fields. The observer would then note how the ionized compound responds,

which correlates with the molecular weight in a quantifiable way. Read on to learn more about the intricate process of

mass spectrometry!

Hess’s Law

Hess’s law is much like solving a puzzle using the change in entropy of a reaction. The result is that one can tell

the change in energy (in kJ/mol) of a reaction. Hess’s law requires a balanced equation with proper coefficients. Read

on for more advice on implementing Hess’s law!

Born-Haber Cycle

The Born-Haber cycle is a series of chemical processes that are used to calculate the lattice energy of ionic

solids. The Born-Haber cycle can be thought of as a special case of Hess’s law. Read on for a definition of lattice

energy as well as examples of how the Born-Haber cycle is used to calculate lattice energy.

This page identifies different types of bonds, including covalent, polar covalent, ionic, and hydrogen. It explains

how to draw compound structures by counting electrons and placing bonds accordingly. The Octet and Duet rules are also

explained here.

Electron Configuration

This page details how electrons are arranged in an atom, including information about the orbitals (s, p, d, and f)

and how to easily tell which orbital an electron is in. You’ll also learn about the diagonal rule and electron

Electron Delocalization

Electron delocalization can be really confusing! In order to understand this concept, one must learn about

resonance, bonding, and aromaticity. Read on for more information about electron delocalization!

Aufbau Principle

The Aufbau principle describes how electrons fill energy levels in an atom. In order to write the electron

configuration of an atom, one must know how the subshells fill. Using the diagonal rule will certainly help with this

process. Read on for more information about the Aufbau principle.

Orbital Hybridization

Hybridization occurs when two atomic orbitals combine to form one hybrid orbital. One of the more common types of

hybridization is sp 3 hybridization, which is described in detail in this lesson. Read on for more detailed

information on the intricacies of electron orbitals.

Electrolysis

Electrolysis occurs in electrolytic cells when an electrical current causes a nonspontaneous oxidation-reduction

reaction. This lesson describes how electrolysis is used, including extracting pure metals from the Earth’s crust. Read

on for more information on the process of electrolysis!

Voltaic Cells

Voltaic cells use chemical energy to do electrical work. A redox reaction occurs, and the electrons are forced

through an electrical circuit. Read on to find out the specifics on how voltaic cells power electrical processes!

Radiation Chemistry

The study of nuclear reactions is called radiation chemistry. A nuclear reaction involves the nucleus of an atom.

These types of processes were first discovered by Marie Curie in the late 1800s. Read on for more details about

radiation chemistry!

Introduction to Organic Chemistry

Introduces carbon structures and interactions between molecules. Basic vocabulary and ideas are introduced

concerning alcohols and hydrocarbons. Combustion of a hydrocarbon is also discussed briefly.

Alkanes and Alkenes

Alkanes and alkenes are both hydrocarbons that follow the standard nomenclature procedures. Learn whether alkanes

and alkenes are saturated or unsaturated, which is more reactive, and how to name a compound by looking at its

structure in this lesson.

Aromatic Electrophilic Substitutions (EArS Reactions)

When aromatic compounds undergo reactions with electrophiles, a substitution reaction occurs. This reaction is known

as an electrophilic aromatic substitution (EArS or EAS) reaction. Read on for an in-depth description of how these

reactions occur!

Halogenoalkanes

Halogenoalkanes are exciting because, compared to alkanes, they are very highly reactive when paired with

nucleophiles or bases. Halogenoalkanes are also SP3 hybridized. Read this lesson to find out more information on

halogenoalkanes!

Carbonyl Condensation Reactions

A carbonyl condensation reaction occurs between two carbonyl partners and involve nucleophilic addition and α

substitution. This lesson also covers aldol condensation as well as the Robinson annulation reaction. Read on for more

details about these chemical processes.

Elimination Reactions

An elimination reaction occurs when a starting product breaks down into two new products that contain all the atoms

of the original reactant. There are two types: E1 and E2. Read this lesson for more information about elimination

Nucleophilic Substitution Reactions

Nucleophilic substitution reactions occur when a nucleophile interacts with an electrophile. Read this lesson for a

step by step explanation of what happens during a nucleophilic substitution reaction.

This lesson also covers nucleophilic substitution including the SN1 and SN2 mechanisms. Effects on kinetic rate,

alkyl group, and more are discussed in this lesson.

Cyclohexane Rings

Because many students cannot and do not draw organic structures correctly, one of our most prominent chemistry

tutors took the time to explain how to draw cyclohexane rings in great detail. She even shows more than one way to get

a perfect drawing of this ring. Read the lesson to find out how to draw these rings correctly!

Stereoisomers

Stereoisomers are a category of isomers. Learn about the different categories of isomers in this lesson, and how you will study stereoisomers in chemistry and biochemistry.

Content in this section of Wyzant Lessons has been curated by tutors, as well as by Chemtutor.com creator David Wilner.

David Wilner is a native of Georgia, USA, born just before the end of WWII. Mr. Wilner is happiest when he is explaining things in science (pontificating), so it is natural that he has been a science teacher in high school and a teacher of chemistry at Georgia Perimeter College.

Still need help after using our chemistry resources? Use our service to find a chemistry tutor .

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The Woman Who Changed Science

Marie Curie was a Polish-born French physicist and chemist who lived from 1867 to 1934. She was the first woman to win a Nobel Prize and the first person to win two Nobel Prizes in different fields. Curie made pioneering contributions to the fields of physics and chemistry and her work has had a profound impact on the scientific community and the world as a whole.

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Periodic Trends: Exploring the periodic table of elements, including trends in atomic radius, ionization energy, electron affinity, and electronegativity. We can help you understand the patterns and properties exhibited by elements. 

Acids and Bases: Understanding the concepts of acidity and basicity, pH scale, acid-base reactions, and titration. We can assist you in calculating pH, identifying conjugate acid-base pairs, and understanding acid dissociation constants. 

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  • Strategies for Solving Chemical Equations: A Student’s Guide to Chemistry Assignments

A Comprehensive Guide to Mastering Chemical Equations for Academic Excellence

Dr. Emma Reynolds

Delving deeper into the realm of chemistry, it becomes evident that this scientific discipline serves as a gateway to unraveling the mysteries of matter. Chemistry elucidates the composition of substances, unveils the intricate structures they adopt, examines their inherent properties, and observes the dynamic changes they undergo. The beauty of this subject lies in its ability to connect theoretical knowledge with practical applications, making it an integral part of scientific exploration. Despite the allure of chemistry, many students find themselves grappling with the complexities of chemical equations, especially when it comes to completing your Chemistry assignment . Balancing equations and predicting reactions, fundamental skills in the chemist's toolkit, often pose significant challenges. It is at this juncture that a strategic approach becomes paramount. This guide endeavors to be a beacon for students navigating the labyrinth of chemical equations, presenting effective strategies that not only facilitate a profound understanding of the fundamentals but also pave the way for academic excellence in chemistry assignments. As we embark on this journey through the intricacies of chemical equations, envision it as an opportunity to unravel the secrets of the molecular world. By employing the strategies outlined in this guide, you will not only conquer the challenges posed by chemical equations but also cultivate a genuine appreciation for the elegance and precision that define the science of chemistry. Let us delve into the strategies that will empower you to not only decipher chemical equations but master them with confidence and finesse.

Mastering Chemical Equations

Mastering Chemical Equations for Academic Success

In the vast landscape of chemistry, chemical equations stand as the linguistic expression of chemical reactions, offering a succinct means to encapsulate the transformation of substances. Mastery of this language is indispensable, regardless of whether you're a high school student embarking on the initial foray into the world of chemistry or a higher education enthusiast delving into its profound intricacies. The crux of success in chemistry assignments lies in the adeptness at balancing equations—an art that demands precision and finesse. Navigating the complexities of chemical equations requires a strategic approach, a roadmap that instills confidence in every student. As we embark on this exploration, envision it as a journey towards deciphering the poetry of molecular interactions. This guide will unfold essential strategies, enabling you to not only comprehend the nuances of chemical equations but also to wield this linguistic tool with assurance, ultimately propelling you towards excellence in your chemistry assignments.

Understanding the Basics of Chemical Equations

Before diving into advanced problem-solving techniques, it's essential to grasp the basics of chemical equations. A chemical equation represents a chemical reaction using symbols and formulas. The reactants are on the left side, and the products are on the right side. The key is to ensure that the number of atoms for each element is the same on both sides, maintaining the law of conservation of mass. The crux of mastering chemical equations lies in meticulous attention to detail—ensuring that the count of atoms for each element remains consistent on both sides of the equation. This fundamental principle aligns with the law of conservation of mass, asserting that matter is neither created nor destroyed in a chemical reaction. As we delve into the intricacies of chemical equations, remember that a strong grasp of these foundational concepts will serve as a compass guiding you through the complexities of advanced problem-solving techniques in the realm of chemistry.

The Importance of Proper Notation

Proper notation is the foundation of solving chemical equations. When you encounter a new reaction, start by writing down the chemical equation. Use symbols for elements and compounds, and be meticulous about subscripts and coefficients. This initial step sets the stage for a systematic approach to problem-solving. Symbols become the alphabets of chemical language, encapsulating the identity of each element, while subscripts specify the number of atoms for a particular element within a compound. Coefficients, on the other hand, signify the quantity of molecules involved in the reaction. This meticulous approach sets the stage for a systematic and organized problem-solving endeavor. By emphasizing the importance of proper notation, this guide aims to instill in students the discipline required for accurate representation and interpretation of chemical equations, laying a solid foundation for the journey towards mastery in chemistry assignments.

Balancing Act – Tips for Balancing Chemical Equations

Balancing chemical equations is a fascinating puzzle within the realm of chemistry, where the objective is to achieve an equilibrium where the number of atoms for each element is identical on both sides of the equation. This delicate balance is not only a fundamental skill but also a strategic art. Here are key tips to navigate this balancing act with finesse:

Start with the Most Complex Compound:

Commence the balancing process by tackling the compounds with the most elements first. This strategic approach often simplifies the overall process, laying a solid foundation for balancing the rest of the equation. By addressing complexity early on, you set the stage for a more streamlined and efficient balancing effort.

Balance the Common Elements:

Identify and prioritize elements that appear in multiple compounds. By addressing these common elements early in the process, you enhance the efficiency of achieving an overall balance. This targeted approach ensures that elements shared between different compounds are appropriately accounted for, contributing to a harmonious equation.

Use Coefficients Wisely:

Introduce coefficients judiciously to adjust the number of molecules for each compound. Coefficients act as multipliers, influencing the entire compound that follows them. Strategic application of coefficients allows you to fine-tune the balance, compensating for variations in the number of atoms introduced by different compounds. Remember that the goal is not only numerical equality but also adherence to the chemical reality of the reaction.

Check and Double-Check:

After assigning coefficients, perform a meticulous review of the entire equation. Ensure that the number of atoms for each element is precisely the same on both sides. This step is crucial for validating the accuracy of your balancing efforts and maintaining fidelity to the law of conservation of mass.

Advanced Strategies for Predicting Reactions

Beyond balancing equations, chemistry assignments may require predicting the outcome of reactions. Understanding reaction types and employing advanced strategies can give you an edge in solving more complex problems. Recognizing different reaction types, such as synthesis, decomposition, combustion, displacement, and redox reactions, becomes crucial. Each type follows specific patterns, allowing you to anticipate the products that will result from a given set of reactants. The mastery of reaction types empowers you to approach problems with a systematic and informed mindset, enhancing your problem-solving capabilities in the dynamic world of chemical transformations. As you delve into these advanced strategies, you not only elevate your proficiency in chemistry assignments but also cultivate a more comprehensive comprehension of the diverse facets of chemical reactions.

Recognizing Reaction Types

Moving beyond the fundamental skill of balancing equations, advanced chemistry assignments often necessitate the ability to predict the outcomes of reactions. This entails a deeper understanding of various reaction types and the application of advanced strategies, providing students with a distinct advantage when tackling more intricate problems.

Recognizing different reaction types, such as synthesis, decomposition, combustion, displacement, and redox reactions, becomes crucial. Each type follows specific patterns, allowing you to anticipate the products that will result from a given set of reactants. The mastery of reaction types empowers you to approach problems with a systematic and informed mindset, enhancing your problem-solving capabilities in the dynamic world of chemical transformations. As you delve into these advanced strategies, you not only elevate your proficiency in chemistry assignments but also cultivate a more comprehensive comprehension of the diverse facets of chemical reactions.

Redox Reactions – A Deeper Dive

Redox (reduction-oxidation) reactions constitute a fundamental category in the rich tapestry of chemical transformations. At their core, these reactions hinge on the exchange or transfer of electrons between reacting species. Proficiency in understanding redox reactions is pivotal for accurate prediction of outcomes in chemical transformations. Key indicators include discerning alterations in oxidation states and identifying the involvement of certain elemental players, notably oxygen and hydrogen.

Changes in oxidation states signify the gain or loss of electrons by individual atoms within a compound. This dynamic electron exchange contributes to the overall charge balance of the reacting species. The presence of elements like oxygen and hydrogen often signals their involvement in redox processes, making them integral components to consider when deciphering these intricate reactions.

Mastering the intricacies of redox reactions equips students with a deeper comprehension of electron transfer phenomena, offering a nuanced perspective that enhances problem-solving skills in advanced chemistry assignments. Recognizing these fundamental cues not only ensures accurate prediction of outcomes but also underscores the interconnectedness of elements in the dynamic world of chemical reactivity.

Leveraging Online Resources for Chemistry Assignment Help

Embarking on the journey to master chemical equations is an exciting endeavor, made more manageable with the readily available assistance online. Numerous resources stand ready to provide valuable support, including detailed explanations, practice problems, and step-by-step solutions. When seeking help, consider turning to reputable websites that specialize in chemistry assignment assistance. These platforms not only offer clarity on complex concepts but also facilitate a structured learning experience, ensuring that you can navigate the challenges of chemical equations with confidence and proficiency. Leverage the power of online resources to enhance your understanding and excel in your pursuit of mastering this fundamental aspect of chemistry.

Embracing Technology – Chemistry Assignment Help Apps

Living in the digital age, educational apps stand as indispensable tools for students, revolutionizing the learning experience. Specifically tailored to aid in chemistry problem-solving, numerous apps cater to the unique challenges of mastering chemical equations. These applications go beyond traditional methods, incorporating interactive features, quizzes, and visual aids to enhance understanding. The dynamic and engaging nature of these apps transforms the often complex and abstract concepts of chemistry into accessible, digestible content. Embracing these technological resources not only facilitates a more interactive learning process but also fosters a deeper and more intuitive grasp of the intricacies involved in solving chemical equations, empowering students to excel in their academic endeavors.

Seeking Guidance from Professors and Peers

When confronted with challenging chemistry assignments, don't hesitate to tap into the wealth of knowledge around you. Reach out to professors and classmates, fostering a culture of collaborative learning. This approach not only exposes you to diverse perspectives but also brings forth valuable insights. Professors, in particular, serve as invaluable resources, offering clarification and guidance on intricate concepts. Utilizing this support network enhances your understanding, ensuring that you navigate complex assignments with confidence. Embracing collaboration transforms challenges into opportunities for shared growth, making the pursuit of mastering chemistry assignments a collective and enriching journey.

Practice Makes Perfect – Engaging in Regular Problem-Solving

Mastering chemical equations is akin to honing any skill—it demands consistent and dedicated practice. Set aside regular study sessions to delve into problems that encompass the intricacies of balancing equations and predicting reactions. Through repetition and active engagement, you'll progressively enhance your understanding and problem-solving abilities. As you immerse yourself in practice, you'll discover a growing confidence and proficiency in navigating the complexities of chemical reactions. Remember, it's through continuous application and refinement that you'll not only grasp the fundamentals but also develop the expertise needed to excel in the fascinating realm of chemistry assignments.

Conclusion:

In conclusion, tackling chemical equations is a skill that can be honed with the right strategies. From understanding the basics of notation to employing advanced techniques for predicting reactions, a systematic approach is key. Remember to leverage online resources, technology, and the guidance of your professors and peers.

As you navigate the world of chemical equations, keep in mind that each problem is an opportunity to enhance your understanding of this fundamental aspect of chemistry. With the right mindset and strategic approach, you can not only excel in your chemistry assignments but also develop a deep appreciation for the beauty and precision of chemical reactions. Happy problem-solving!

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Top Websites For Understanding Complex Chemistry Concepts Online

Top Websites For Understanding Complex Chemistry Concepts Online

Table of Contents

While science is exciting, it can also be baffling at times. From the air we breathe to the medications we take, chemistry is fundamental to our perception of the world. We now have excellent internet resources at our disposal to learn more about this fascinating discipline, all thanks to the digital age. Chemistry is a challenging topic; its complex ideas and formulas have the potential to break your skull. However, you can learn more about chemistry concepts online with the assistance of an expert.

We will look at a few websites through this blog of allassignmenthelp that can help you understand the principles of chemistry. These chemistry websites are a great resource for anyone interested in learning about chemical elements, regardless of experience level. They contain a plethora of information for both enthusiastic learners and novices.

So let’s get started…

What Is Chemistry About?

The scientific study of matter’s characteristics and behaviour is known as chemistry. The study of the chemical elements that comprise matter and compounds consisting of atoms, molecules, and ions, including their composition, structure, behaviour, and changes brought about by interactions with other substances, is a physical discipline within the natural sciences. The nature of chemical bonds in chemical compounds is another topic covered by chemistry.

Chemistry is in between physics and biology in terms of the subject matter it covers. Because it offers a basis for comprehending both fundamental and applied scientific disciplines, it is occasionally referred to as the centre of study.

Chemistry is a tough subject to understand, as everyone knows. A student can only succeed in exams if they concentrate solely on understanding chemistry during their studies. You must indeed learn on your own, but it is also true that you can enlist the assistance of someone to ease the burden of your academic work. There are a lot of websites as well which offer chemistry assignment help . This approach improves your academic experience and overall achievement by freeing up time for more in-depth study and personal interests.

Top 8 Most Reliable Learning Websites for Understanding Chemistry Concepts Online

The scientific field of chemistry is broad and intricate, covering a huge array of ideas, hypotheses, and real-world applications. To improve understanding, speed up learning, and keep updated with new developments, chemistry students need to have access to trustworthy internet resources. We will look at a selection of significant websites in this blog post that are very helpful to chemistry students. These websites include a variety of online chemistry resources, references, tools, and interactive platforms to help students in their academics:

Top 8 Most Reliable Learning Websites for Understanding Chemistry Concepts Online

1. AllAssignmentHelp

An excellent resource for learning chemistry is AllAssignmenthelp. For individuals who are keen to learn more about chemistry, AllAssignmenthelp provides a multitude of possibilities with its close to 100 committed teachers. These tutors guarantee you receive top-notch tuition because they either have master’s degrees in chemistry or have significant experience in other related scientific subjects.

The enthusiasm and dedication of AllAssignmenthelp’s instructors for chemistry are what set them apart from other tutoring services. With the help of the platform’s thorough tutor profiles, you may learn more about the tutors’ backgrounds, hometowns, present places, educational backgrounds, and other pertinent information.

Additionally, AllAssignmenthelp thoroughly investigates the backgrounds of each instructor it hires to make sure they are qualified teachers. It employs enthusiastic teachers who communicate with students to provide an exceptional learning experience. It is easy to explore the intriguing field of chemistry with this interactive method, which makes it a great option for students looking for an exciting and dynamic learning environment.

This website also assists with other areas beyond chemistry, including math, science, English, and biology. They offer everything under one roof, including online class help and assignment assistance. All you have to do is ask, and they will come up with the answer to the problem at hand. Many students reach out to them with a query like Please take my online biology class for me or English class or another class. They ensure students get pass with flying colours.

2. Coursera

A wide range of chemistry courses are available on the reputable online learning platform Coursera, which is meant for learners at all skill levels. Coursera’s chemistry courses are developed in partnership with prominent universities across the globe, guaranteeing top-notch instruction.

Coursera offers courses for those who want to increase their knowledge or start from scratch. Their courses offer a wide range of chemistry-related topics, from basic concepts to advanced issues. You will study the periodic table, gain insight into chemical reactions, and develop your problem-solving skills in quantitative analysis. You can be sure that Coursera will provide you with a thorough understanding of chemistry concepts online by entrusting your education to prestigious universities.

3. PubChem

The National Center for Biotechnology Information (NCBI) offers a thorough database called PubChem. It provides a comprehensive compilation of data about the biological functions of tiny molecules. Students studying chemistry can search PubChem for chemical structures, characteristics, precautionary advice, and references to relevant research. It is an excellent resource for studying and learning about the world of chemistry.

4. Royal Society of Chemistry

Chemists can access a multitude of information on the website of the Royal Society of Chemistry (RSC). It consists of news, events, books, journals, and instructional resources. Aside from interactive tools like ChemSpider, RSC also provides spectrum data and other useful information, enabling users to search for and study chemical concepts online.

5. FutureLearn

For those who wish to learn chemistry online, FutureLearn is a great resource. FutureLearn is one of the best websites for learning chemistry online.  It may not provide a wide range of courses, but it does cover all the fundamental subjects that newcomers must understand. FutureLearn is different because of its dedication to diversity. Every course provides a distinct and thorough learning experience, guaranteeing that no topics are covered again. FutureLearn, which is based in the UK, only offers courses from respectable universities, ensuring that the material is of the highest calibre.

FutureLearn offers a variety of chemistry courses that allow students to specialize in areas such as organic chemistry and biochemistry.

6. KhanAcademy

Khan Academy is a flexible online education platform that appeals to young learners who want to learn about chemistry concepts online and other subjects. Khan Academy offers engaging classroom-style lectures covering a wide range of subjects usually taught in schools, including chemistry, computer science, mathematics, history, geography, and more. Students can choose the lessons that interest them with this platform’s user-friendly navigation and accessibility across several devices. Being the first educational platform to offer all of its courses completely free, Khan Academy stands out for providing high-quality education to people all over the world.

 7. ChemSpider

A useful resource for searching chemical structures is ChemSpider, which is hosted by the Royal Society of Chemistry. Students can use it to search an extensive database of chemical compounds, investigate their characteristics, and find references to pertinent academic works. In addition to offering tools for creating and sketching chemical structures, ChemSpider is a helpful tool for practising molecular representations and understanding chemistry concepts online.

A thorough database of chemicals, materials, and reactions is called Reaxys. It offers access to an extensive database of chemical information, such as synthesis pathways, structures, and characteristics. Reaxys can be used by students to search for articles, explore reaction mechanisms, and obtain data for their research projects.

So these few websites are readily available online for students to understand the complex chemistry online. These platforms provide a variety of learning options to suit different learning styles, whether through engaging tests, in-depth lessons, or access to course materials from prestigious universities. Students can improve their academic performance and gain a deeper grasp of chemistry by making use of these resources.

Chemistry is vital to our understanding of the world around us. Fortunately, a plethora of easily accessible online courses covering many aspects of chemistry are available. You may improve your chemistry skills with online classes and teachers, regardless of your experience level or desire to learn more. And don’t worry if none of those choices work for you! There are numerous additional online learning options. To figure out what works best for you, you only need to experiment a little and be wise with your choice.

Can ChatGPT pass college assignments? We tested it out, with help from Wisconsin professors

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In the era of artificial intelligence, cheating is only getting easier for students.

Some instructors say they can easily tell when students turn in AI-generated work. Others find it far trickier and will turn to online AI detectors for confirmation when their suspicions are raised. Educators everywhere are trying to create AI-proof assignments.

"The more conventional prompt and writing you ask students to do, the more likely they can bring in a machine to do that work," said Chuck Lewis, a Beloit College English instructor and director of the writing program.

The Milwaukee Journal Sentinel tested how well AI can complete college-level work — and whether instructors can detect it.

Where did idea come from?

A Harvard student last year asked seven professors and teaching assistants to grade essays written in response to a class assignment. To minimize response bias, the student told instructors the essays might have been written by herself or by AI, but in reality, all of the work was done by GPT-4, a version of the chatbot from OpenAI.

The AI-generated assignments received mostly A’s and B’s, along with one Pass.

"Not only can GPT-4 pass a typical social science and humanities-focused freshman year at Harvard, but it can get pretty good grades," the student wrote in an essay published by the Chronicle of Higher Education .

How did Journal Sentinel's ChatGPT experiment work?

I followed the same methodology as the Harvard student.

Professors emailed me a smaller assignment they would give their students, not an end-of-the-semester research paper. I told them some of the work would be done honestly and other assignments handled by ChatGPT. In fact, AI did all of the work.

I formulated prompts for ChatGPT from the assignments provided. In most cases, I wrote more tailored prompts to ChatGPT based on what it produced on the first try. Often, the additional requests asked the chatbot to provide more specific examples, expand on its ideas or use a less formal tone.

The experiment was far from scientific. Several professors said they approached grading more skeptically than they would have had it been a student's submission, given the circumstances.

ChatGPT earned 1 A, 2 B's and 2 incompletes.

English assignment at UW-Whitewater

Course: Critical Writing in the Field of English

Assignment: Write a three- to five-page paper examining how a poem among a selection provided draws on a specific concept discussed in class. Include analysis of specific passages in the poem and explore the use of at least five literary terms.

Was this hard for ChatGPT: At first, the chatbot analyzed a completely different poem than the title provided. I submitted the full lines of the correct poem, prompting the chatbot to apologize for the "oversight." Additional prompts providing specific literary terms for the chatbot to incorporate into the essay helped refine the work.

Comments: The instructor said the paper "fulfills the assignment admirably, and brings an admirable depth of understanding" of the poet's use of the concept. The thesis statement could have been more specific, resulting in a slight deduction.

Political science assignment at Marquette

Course: Introduction to American Politics

Assignment: Write a short paper describing the three faces of power and explaining how each constrains you in your own life.

Was this hard for ChatGPT: No. The chatbot easily put together an essay. A second prompt asking to connect the faces of power concept to my life as a reporter provided more specificity.

Grade: Incomplete

Comments: "Without question, the submission deserves an A," the instructor said. But ChatGPT made one small mistake, which immediately sparked skepticism. While the essay correctly cited the creator of the theory, the reading associated with the assignment was from a different person.

The instructor ran it through two AI detectors, both of which suggested the work was AI-generated. He said he would confront a student who submitted this work.

Library and information studies assignment at UW-Madison

Course: Information Divides and Differences in a Multicultural Society

Assignment: Daily log of media consumption with analysis of tone, evidence, expertise of each source, roughly 350 words

Was this hard for ChatGPT: No. I submitted a second prompt asking for a less formal tone. While the chatbot cited legitimate news outlets, such as the Wisconsin State Journal and New York Times, in the log, the summaries described general topics, not actual news stories.

Comments: The instructor said there were no "egregious red flags" but one sentence stood as sounding like ChatGPT. Overall, he found the discussion of each media source "thoughtful." The log as a whole was "clear and concise." In general, he tends to give students the benefit of the doubt and wouldn't have suspected this log was AI-generated had it been turned in among a stack of others.

Education assignment at Marquette

Course: Child and Adolescent Development and Learning

Assignment: Find five sources for a research paper on an education topic of your choice, cite the sources in APA formatting and summarize each source in four to six sentences. (This is one part of a longer-term research paper.)

Was this hard for ChatGPT: No. It took just one prompt to produce what was submitted.

Grade: 88 (B+)

Comments: The instructor suspected at least some of the summaries were AI-generated because many were written in general terms. However, some of the sources cited appeared to be names of researchers he recognized, making him less suspicious overall.

"It raises an interesting question to me of if students use AI at a broad level (say putting directly in the prompt) or doing a more targeted approach," the instructor said. "I think if students searched for articles and then asked AI for summaries, I might be less likely to have an alarm bell go off in my head."

English assignment at Beloit College

Course: Introductory Literary Studies

Assignment: Write a 1,000-word essay about a selected novel with your own original analysis that engages with a New Yorker review of the novel. Choose from one of three selected topics as a starting point. Include at least three direct quotations from the novel. Give your paper a thoughtful title and underline your thesis statement.

Was this hard for ChatGPT: This was the most challenging of the assignments received and required several prompts to produce. The first essay was only 600 words and included just two direct quotations from the book. It cited a line from a book review that did not actually appear anywhere in the book review.  Attempts to expand the essay's length were unsuccessful. An instruction to underline the thesis statement was not completed.

Grade: Incomplete.

Comments: "I didn't need to read more than the first sentence to know this was going to be an AI ride," the instructor said. The writing was "bland," filled with "eager-to-please and generic book blurb-speak." It reminded him of what he tells students: Don't write a thesis nobody can disagree with — there's no argument to be made. The paper also made at least one error in describing part of the book.

The instructor said he would ask the student about their process, share his suspicion, have a discussion and decide on next steps. For now, no grade was assigned.

Contact Kelly Meyerhofer at  [email protected] or 414-223-5168. Follow her on X (Twitter) at  @KellyMeyerhofer .

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