Core Topic 2 – Chemical Change

Notes || Questions by Topic

I would like to thank Jonathan Hopton (Knockhardy Science) for providing these notes.

This Core Topic is examined in A-Level Component 1, Component 2 and Component 3 for WJEC Chemistry (English Spec).


1. Simple Equilibria and Acid-Base Reactions
2. Thermochemistry
3. Rates of Reaction
4. The Wider Impact of Chemistry