mean bond enthalpy
What mean bond enthalpy means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of mean bond enthalpy
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Reference: AQA
The enthalpy change when one mole of a stated covalent bond is broken in the gaseous state, averaged over a range of different compounds containing that bond.
The average enthalpy change to break one mole of a specified covalent bond in the gaseous state, averaged across many different compounds.
A value averaged over many gaseous compounds, distinguished from the bond enthalpy in one particular molecule.
Topics that use mean bond enthalpy
- Bond enthalpies (AQA A-Level)
- Enthalpy changes (OCR A-Level)
Related terms
- ∆H of combustion
- ∆H of formation
- Activation energy
- always endothermic
- Approximate estimate
- Average bond enthalpy
- averaged data
- averaged over compounds
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