Resources, support and tutoring just for chemistry.

let’s get chem done.

Which of these drawings of a penny is accurate?

Familiarity is NOT the same as learning.

We’re not here to try to convince you that chemistry is the greatest subject. (That’s already known to be true.) The goal is to give you understanding (read: “actually learning”) chemistry in the most painless way possible, and maybe even enjoying it.

A collection of 15 images of pennies, each with a different mix of letters, numbers, and images engraved on them.
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500+ Content Videos & Tutorials

Explore a massive library of video tutorials — whether if you're completely lost or just missing a little piece, find exactly what you need.

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Quick and Easy to Navigate

Some sites just have way too much information. You came for help, not to read a book.

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Matches standard school curriculum

Our material is organized by and covers what you will normally find in your course so you don’t need to search elsewhere (or at least we try!)

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500 Fully Explained Problems

Finding the answer to a problem is a win but getting the step-by-step explanation is a party. Always the full explanation - never skip a step.

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Dive deeper into a lab/ experiment

Everyone loves doing the labs but not the work after. Applying data to theoretical concepts is sometimes the worse … is mass suppose to be negative!?

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Human Help

AI is cool but sometimes you need to help of a human. Although our material might be enough CHEMDUNN also offers opportunity to connect with a human.

We work to ensure our resources have alignment several chemistry programs and curriculum both at the high school and college level.

Seal of North Western University featuring the university name, founding year 1851, and a central open book with Greek text, surrounded by rays and laurel branches.
Logo for AP College Board Advanced Placement Program
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The NYU logo with a torch symbol above the text 'NYU'.
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The universities or groups indicated above do not officially endorsed any material on this site.