Combined Science GCSE
Energy changes in exothermic and endothermic reactions
What Energy changes in exothermic and endothermic reactions means in Combined Science GCSE, as defined for AQA.
Definition of Energy changes in exothermic and endothermic reactions
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Reference: AQA
For an exothermic reaction the product level is below the reactant level; for an endothermic reaction it is above.
Topics that use Energy changes in exothermic and endothermic reactions
- Catalysts (AQA GCSE)
Related terms
- Activation energy
- Biological catalysts
- Catalysis and alternative reaction pathways
- Representing energy changes graphically
- Catalyst
- Catalyst specificity
Using Energy changes in exothermic and endothermic reactions in the exam
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