AQA Chem 5 enthalpy definitions

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  • Created by: Greg Howe
  • Created on: 25-06-10 17:21

Enthalpy change of formation is the enthalpy change when 1 mole of a compound is formed from its elements in their standard states under standard conditions.

The bond dissociation enthalpy is the enthalpy change when all the bonds of the same type in 1 mole of gaseous molecules are broken.

Enthalpy change of atomisation of an element is the enthalpy change when 1 mole of gaseous atoms is formed from an element in its standard state.

Enthalpy change of atomisation of a compound is the enthalpy change when 1 mole…

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