How do temperature changes affect an equilibrium? Animation Play

How does an electric current decompose water? Student activity Play

How does an electric current decompose water? Whiteboard exercise Play

How flypaper traps work Animation Play

How many different divisors does a natural number have? A more difficult problem Student activity Play

How many divisors? Animation Play

How many divisors? Whiteboard exercise Play

Identification of amino acid contained in proteins Animation Play

Identifying the chemical element present Whiteboard exercise Play

Importance of chemical equations in the work of a chemist Animation Play

Improper rational expressions Whiteboard exercise Play

Improper rational expressions Student activity Play

Inertness of alkanes Student activity Play

Inhibitors – negative catalysts Animation Play

Integration using partial fractions 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 decomposition always possible? Animation Play

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

Isomerisation of cis-but-2-ene Animation Play

John Dalton's atomic theory Animation Play

Kinetic energy of the colliding molecules Animation Play

Le Chatelier's principle Student activity Play

Le Chatelier's principle for gas reactions Student activity Play