The enthalpy change when one mole of a substance is formed from its constituent elements with all substances in their standard states
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Enthalpy of Combustion
The enthalpy change when one mole of a substance undergoes complete combustion in oxygen
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1st Ionisation Enthalpy
The enthalpy change when one mole of gaseous atoms loses one electron per atom to form one mole of gaseous 1+ ions
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1st Electron Affinity
The enthalpy change when one mole of gaseous atoms gains one electron per atom to form one mole of gaseous 1- ions
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Enthalpy of Atomisation
The enthalpy change when one mole of gaseous atoms is produced from an element in its standard state
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Hydration Enthalpy
The enthalpy change when one mole of gaseous ions become hydrated (dissolved in water)
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Enthalpy of Solution
The enthalpy change when one mole of an ionic solid dissolves in an amount of water large enough that the dissolved ions are well separated and do not interact with each other
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Bond Dissociation Enthalpy
The enthalpy change when one mole of covalent bonds is broken in the gaseous state
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Lattice Enthalpy of Formation
The enthalpy change when one mole of a solid ionic compound is formed from its constituent ions in the gas phase
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Lattice Enthalpy of Dissociation
The enthalpy change when one mole of a solid ionic compound is broken up into its constituent ions in the gas phase
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Lattice Dissociation Enthalpy Equation
∆H(LE dissociation) = -∆Hf + ∑(all other enthalpies)
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