Standard enthalpy of combustion
What Standard enthalpy of combustion means in Chemistry A-Level, as defined for OCR.
Definitions of Standard enthalpy of combustion
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Reference: OCR
A measurable enthalpy change that can be used in an enthalpy cycle to find an enthalpy change that is hard to measure directly.
An enthalpy that is negative because combustion is exothermic, and is zero for fully oxidised species such as CO₂ and H₂O.
Topics that use Standard enthalpy of combustion
- 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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