AQA GCSE Biology · 8461
Specification 4.4.2.1 · Paper 1
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GCSE Biology · key term
A reaction that transfers energy to the surroundings.
Used by AQA, Edexcel and OCR
Specification 4.4.2.1 · Paper 1
Specification 8.9 · Paper 2
Specification B1.3b · Paper 1 (Foundation), Paper 3 (Higher)
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Revise: Exothermic reactionAn exothermic reaction transfers energy to its surroundings. Cellular respiration is exothermic because its chemical reactions release energy, allowing energy to be transferred from the chemical energy store of the reacting substances.