GCSE Chemistry OCR A J248

C3.2: Energetics

#C3.2a

distinguish between endothermic and exothermic reactions on the basis of the temperature change of the surroundings

#C3.2b

draw and label a reaction profile for an exothermic and an endothermic reaction

activation energy, energy change, reactants and products

#C3.2c

explain activation energy as the energy needed for a reaction to occur

#C3.2d

calculate energy changes in a chemical reaction by considering bond making and bond breaking energies

C3.1
Introducing chemical reactions
C3.3
Types of chemical reactions