Influence of the concentrations of substances on the position of equilibrium Illustration Play

Inhibitors – negative catalysts Animation Play

Intermolecular forces affect the physical properties of matter Student activity Play

Investigation of the effect of temperature on the rate of chemical reactions Animation Play

Ionisation enthalpy and electron affinity Student activity Play

Is it easy to distinguish between a physical change and a chemical change? Student activity Play

Is this system at equilibrium? Student activity Play

Is this system at equilibrium? Whiteboard exercise Play

Isomerisation of cis-but-2-ene Animation Play

John Dalton's atomic theory Animation Play

Kinetic energy and potential energy in relation to displacement Whiteboard exercise Play

Kinetic energy and potential energy in relation to displacement Student activity Play

Kinetic energy and potential energy in relation to displacement Animation Play

Kinetic energy and potential energy in relation to time Animation Play

Kinetic energy and potential energy in relation to time Animation Play

Kinetic energy and potential energy in relation to time Whiteboard exercise Play

Kinetic energy and potential energy in relation to time Student activity Play

Kinetic energy of the colliding molecules Animation Play

Kinetic friction Student activity Play

Law of mass action Animation Play

Le Chatelier's principle Student activity Play

Le Chatelier's principle for gas reactions Student activity Play

Le Chatelier's principle for gas reactions Whiteboard exercise Play

Least useful chemical reactions Student activity Play

Levers and pulleys Whiteboard presentation Play