Enthalpy change of formation
What Enthalpy change of formation means in Chemistry A-Level, as defined for OCR.
Definitions of Enthalpy change of formation
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Reference: OCR
The enthalpy change when one mole of a compound forms from its elements in their standard states under standard conditions.
Forming one mole of a compound from its elements in their standard states, so elements have a value of zero.
Topics that use Enthalpy change of formation
- Enthalpy changes (OCR A-Level)
Related terms
- ∆H of combustion
- ∆H of formation
- Activation energy
- Approximate estimate
- Average bond enthalpy
- Averaging over gaseous compounds
- Bond breaking and bond making
- Bond enthalpy
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