Enthalpy

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Lattice Dissociation Enthalpy

Lattice Formation Enthalpy

Standard Enthalpy Change of Formation

Standard Enthalpy Change of Atomisation

First Ionisation Energy

Electron Affinity

Enthalpy Change of Hydration

Enthalpy Change of Solution
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The enthalpy change when 1 mole of a gaseous ion dissolves in (an excess of) water to give an infinitely dilute solution

The enthalpy change when 1 mole of a substance is formed from its elements in its standard state

The enthalpy change when 1 mole of gaseous atoms acquires 1 mole of electrons (from infinity) to form 1 mole of gaseous negative ions

The enthalpy change when 1 mole of a substance dissolves in (an excess of) solvent to give an infinitely dilute solution

The enthalpy change when 1 mole of gaseous atoms is formed from an element in its standard state

The enthalpy change when 1 mole of an ionic lattice dissociates into isolated gaseous ions

The enthalpy change when 1 mole of an ionic crystal lattice is formed from its isolated gaseous ions

The energy required to remove one mole of electrons (to infinity) from one mole of gaseous atoms to form one mole of gaseous positive ions