Chemistry GCSE
Bond energies
What Bond energies means in Chemistry GCSE, as defined for AQA.
Definitions of Bond energies
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Reference: AQA
Supplied values in kJ mol⁻¹ used to total the energy absorbed for bonds broken and the energy released for bonds made.
Average values, usually quoted in kJ/mol, that allow the balance of bond breaking and bond making to be calculated.
Average values, usually quoted in kJ/mol, for breaking one mole of a given bond in the gaseous state.
Topics that use Bond energies
- The energy change of reactions (HT only) (AQA GCSE)
Related terms
- Activation energy
- Bond breaking
- Bond making
- Endothermic
- Exothermic
- Exothermic reaction
- Overall energy change
- Bond formation
Using Bond energies in the exam
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