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Average Bond Enthalpy

The average bond enthalpy is the energy required to break one mole of a specified type of bond in a gaseous molecule.The actual bond enthalpy will vary depending on the chemical environment of the bond. The average bond enthalpy is calculated from the actual bond enthalpies in different environments.

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Specification: OCR Chemistry A (H032), AS-level, 3.2.1 Enthalpy changes. Topic: Enthalpy.

Key terms in this lesson

Mole
The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
Enthalpy
A measure of the total energy of a chemical system.

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All 19 lessons in Enthalpy · All OCR AS-level Chemistry topics