Videos
AP Chemistry
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9 video lessons
9:19
Atomic Structure and Properties
A chemical equation counts particles. Two of this react with one of that. But atoms are far too small to…
8:45
Compound Structure and Properties
Three solids on a bench. Table salt. A diamond. A piece of copper. Hit the salt with a hammer and it sha…
10:54
Properties of Substances and Mixtures
Boiling water. To make steam you must reach one hundred degrees Celsius. Methane has almost the same mas…
7:42
Chemical Reactions
A strip of magnesium metal. Touch it with a flame and it burns — combustion — with a light too bright to…
8:00
Kinetics
Look inside a car's exhaust pipe. This ceramic honeycomb is a catalytic converter. The gases rushing thr…
8:53
Thermochemistry
Squeeze this pack and in seconds it turns icy cold. Nothing is burning; nothing is cooling it from outsi…
8:24
Equilibrium
A chemical plant at dusk. Inside it, nitrogen from the air is turned into ammonia — the fertiliser that …
8:24
Acids and Bases
Two strips of paper — one red, one blue. Dip them in a liquid and the colour changes, and that colour te…
8:16
Thermodynamics and Electrochemistry
Two puzzles. Hold an ice cube: it melts in your hand, even though melting takes energy in. Now look at a…