Overall energy change
What Overall energy change means in Combined Science GCSE, as defined for AQA.
Definitions of Overall energy change
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Reference: AQA
The vertical difference between the reactant level and the product level, negative for an exothermic reaction and positive for an endothermic reaction.
The difference between the energy of the reactants and the energy of the products, negative for exothermic and positive for endothermic.
The vertical difference between reactant and product levels, negative for exothermic and positive for endothermic.
Topics that use Overall energy change
- Reaction profiles (AQA GCSE)
Related terms
Using Overall energy change in the exam
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