Conservation of energy
What Conservation of energy means in Chemistry GCSE, as defined for AQA.
Definitions of Conservation of energy
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Reference: AQA
The total energy of a closed system stays constant during any chemical change, so energy cannot be created or destroyed in a chemical reaction.
The principle from which the equality of energy transfer in each direction follows, meaning no energy is created or destroyed overall.
Topics that use Conservation of energy
- Energy changes and reversible reactions (AQA GCSE)
- Energy transfer during exothermic and endothermic reactions (AQA GCSE)
Related terms
- Bond breaking and bond making
- Energy transfer
- Energy transfer in reactions
- Evaluating applications
- Exothermic and endothermic changes
- Exothermic and endothermic processes
- Exothermic and endothermic reactions
- Exothermic reaction
Using Conservation of energy in the exam
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