GCSE Chemistry Unit 2 - Endo/Exothermic reactions, Haber process, electrolysis & the pH scale.

Fairly comprehensive notes covering a wide range of the unit 2 specification, including;

• endothermic and exothermic reactions
• the Haber process
• electrolysis of copper
• electrolysis of brine
• acids and alkalis 
• the pH scale.

Created for the AQA 2011 unit 2 exam. Any changes to the specification since that point are not included - check before you revise.