DNA; RNA and protein synthesis Whiteboard exercise Play

DNA; RNA and protein synthesis Student activity Play

Does a compound have a constant composition? Student activity Play

Does a compound have a constant composition? Simulation Play

Effect of pressure on chemical equilibrium Student activity Play

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

Effects of growth hormone on metabolism Slideshow Play

Electrophiles, nucleophiles and carbocations Whiteboard exercise Play

Electrophiles, nucleophiles and carbocations Student activity Play

Elimination versus substitution Animation Play

Empirical formulae and molecular formulae of compounds Student activity Play

Energy expenditure during the processes of synthesis Whiteboard exercise Play

Entropy Class activity Play

Entropy Whiteboard presentation Play

Entropy and spontaneous changes Student activity Play

Equilibrium constant expression Student activity Play

Ethanol Whiteboard presentation Play

Ethanol Class 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

Fertility of soils and water bodies Slideshow Play