Haloalkanes (1) Student activity Play

Halogen lights Illustration Play

Hardening of fats Student activity Play

Hardening of vegetable oil Animation Play

Hess's law Whiteboard exercise Play

Hess's law Student activity Play

Homologous series of alkenes Student activity Play

Homolytic fission Animation Play

Homolytic fission of bonds in n-butane Animation Play

Homolytic fission of non-polar bonds. Free radical reactions Whiteboard exercise Play

Homolytic fission of non-polar bonds. Free radical reactions Student activity Play

Homolytic fission of the C–C bond Whiteboard exercise Play

Homolytic fission of the C–C bond Student activity Play

How a catalyst works (1) Student activity Play

How acids react with bases Student activity Play

How are electrons assigned to the subshells? Animation Play

How carbonate ions react with metal(II) and metal(III) aqua ions Animation Play

How did the atmosphere form? Student activity Play

How do indicators work? Student activity Play

How does an electric current decompose water? Student activity Play

How hybridisation works: the beryllium hydride molecule Animation Play

How molecules absorb infra-red radiation Animation Play

How temperature affects reaction rates Student activity Play

How to calculate pH of strong acid solutions? Animation Play

How to calculate the pH of strong base solutions? Animation Play