Enzyme activity and environmental conditions Simulation Play

Equilibrium concentration of a component Animation Play

Equilibrium constant expression Whiteboard exercise Play

Equilibrium constant expression Student activity Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Ethanoic acid/sodium ethanoate buffer – addition of strong acid Animation Play

Ethanoic acid/sodium ethanoate buffer – addition of strong base Animation Play

Ethanol as a stimulant Whiteboard exercise Play

Ethanol as a stimulant Student activity Play

Eutrophication of natural waters Slideshow Play

Eutrophication of water Student activity Play

Evaporation of liquids Whiteboard exercise Play

Evaporation of liquids Student activity Play

Events causing changes in the concentration of oxygen in the Earth's atmosphere Whiteboard exercise Play

Factors affecting reaction rate Whiteboard presentation Play

Factors affecting reaction rate Animation Play

Factors affecting reaction rate Class activity Play

Factors affecting the absorption of light Animation Play

Factors affecting the chemical equilibrium Whiteboard presentation Play

Factors affecting the chemical equilibrium Class activity Play

Factors affecting the rate of enzyme-catalysed reactions Student activity Play

Finding the concentration of a solution by titration Student activity Play

Finding the concentration of a solution by titration Whiteboard exercise Play

Finding the concentration of base from an acid-base titration Animation Play

Finding the initial number Animation Play