1. Links Keywords C3 Chemical Reactions 
Define activation energy
Describe an experiment to find out if a reaction is exothermic or endothermic
C3 Chemical Reactions
Links 
3.1 Introducing Chemical Reactions 
C5.2 Controlling Reactions
3.2 Energetics
Draw a labelled reaction profile for an exothermic reaction
Describe in terms of bond making and breaking why a reaction is exothermic
Draw a flow chart to show how to calculate the energy change in a reaction when given the bond energies
Define an exothermic reaction
Similarities
Differences
Draw a labelled reaction profile for an endothermic reaction
Define an endothermic reaction
Describe in terms of bond making and breaking why a reaction is endothermic
Keywords