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.

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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.
More in Enthalpy
- Measuring the Enthalpy Change of Combustion
- Accuracy of Experimental Value
- Determining the Enthalpy Change of a Reaction
- Cooling Curves
- Calculating Enthalpy Changes from Bond Enthalpies
- Limitations of Bond Enthalpy Calculations
- Hess's Law
- Determination of Enthalpy Change of a Reaction from Enthalpies of Formation Using Hess's Law
All 19 lessons in Enthalpy · All OCR AS-level Chemistry topics