Does a compound have a constant composition? Student activity Play

EDTA Animation Play

Effect of reactant pressure on the rate of a chemical reaction Student activity Play

Electrophiles, nucleophiles and carbocations Whiteboard exercise Play

Electrophiles, nucleophiles and carbocations Student activity Play

Electroplating with precious metals Animation Play

Elimination versus substitution Animation Play

Empirical formulae and molecular formulae of compounds Student activity Play

Entropy Class activity Play

Entropy Whiteboard presentation Play

Entropy and spontaneous changes Student activity Play

Enzyme-substrate complex Illustration Play

Enzymes Student activity Play

Enzymes are proteins Student activity Play

Enzymes – simple proteins; complex proteins and ribozymes Slideshow Play

Equilibria of complex formation and the formation constant Animation Play

Equilibrium constant expression Student activity Play

Eutrophication of natural waters Slideshow Play

Eutrophication of water Student activity Play

Evolution of the Earth's atmosphere Animation Play

Examples of uses of the transition metals and their compounds as catalysts Slideshow Play

Experiments with indicators Animation Play

Factors that affect the progress of the reaction for the synthesis of ammonia Animation Play

Flow of energy through a food chain Slideshow Play

Formation constant of a metal complex Student activity Play