Unit Award Scheme

122539 ENERGY IN CHEMICAL REACTIONS

In successfully completing this unit, the Learner will have

Evidence needed

demonstrated the ability to

1describe the way energy is transferred to or from the surroundings during a chemical reactionSummary sheet and/or student completed work
2define exothermic and endothermic reactions on the basis of the temperature change of the surroundingsSummary sheet and/or student completed work
3give two examples of everyday uses for exothermic and endothermic reactionsSummary sheet and/or student completed work
4list the key variables that affect the temperature changes in reacting solutionsSummary sheet and/or student completed work

experienced

5observing the effect of concentration on a neutralisation (exothermic) reactionSummary sheet and/or student completed work

demonstrated the ability to

6describe the way reactants collide to bring about a reaction, defining the term 'activation energy'Summary sheet and/or student completed work
7sketch a reaction profile of the result of their experiment into exothermic reactionsSummary sheet and/or student completed work
8sketch a reaction profile of an endothermic reactionSummary sheet and/or student completed work

shown knowledge of

9the relative energies of the reactants and products, activation energy and overall energy change as shown on a given reaction profile.Summary sheet and/or student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 22 November 2024Level - Level One