A Level Chemistry A2 Unit 3.7 – Entropy and feasibility of reaction Revision and exam question practiceA level ChemistryAS Chemistry Unit 2.3 – The wider impact of chemistry social, economic and environmental impact of chemical synthesis and the productionof energy role of green chemistry in improving sustainability in all aspects of developmentsGCSE Chemistry – Rate of Chemical Change (Year 10) How rate of reaction is measured including from gradients Collision theory to explain factors that affect rate The importance of catalysts (TRIPLE and enzymes)A level Chemistry Unit 3 & 4 – Mathematical Skills in Year 13 Chemistry 