Exothermic reaction
What Exothermic reaction means in Combined Science GCSE, as defined for AQA.
Definitions of Exothermic reaction
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Reference: AQA
A reaction in which energy is transferred from the reacting system to the surroundings, so the surroundings warm up and the thermometer reading rises.
A reaction that transfers energy to the surroundings, causing the surroundings to warm up and the temperature to rise.
A reaction that transfers energy to the surroundings, which is why cellular respiration is described as exothermic.
A reaction that transfers energy to the surroundings, so the surroundings warm up.
Releases more energy than it takes in, so the surroundings warm up.
Topics that use Exothermic reaction
- Aerobic and anaerobic respiration (AQA GCSE)
- Energy transfer during exothermic and endothermic reactions (AQA GCSE)
- The energy change of reactions (HT only) (AQA GCSE)
Related terms
- Endothermic reaction
- Energy transfer to and from the surroundings
- Exothermic and endothermic reactions
- Aerobic respiration
- Anaerobic respiration
- Balanced symbol equation
- Bond breaking
- Bond breaking and bond formation
Using Exothermic reaction in the exam
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