Thermodynamics
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What is the enthalpy change of formation?
The enthalpy change when 1 mole of a compound is formed from its elements in their standard states under standard conditions.
Lattice enthalpy of dissociation
The enthalpy change when 1 mole of a solid ionic compound is dissociated into it’s gaseous ions under standard conditions.
Enthalpy change of dissociation
The enthalpy change when 1 mole of bonds of the same type of molecule in the gaseous state is broken.
Enthalpy change of 1st ionisation
The enthalpy change when 1 mole of gaseous 1+ ions are made from 1 mole of gaseous atoms.
Enthalgy change of atomisation
The enthalpy change when 1 mole of gaseous atoms is made from an element in it’s standard state.
Lattice enthalpy of formation
The enthalpy change when 1 mole of a solid ionic compound is formed from it’s gaseous ions under standard conditions.
Enthalpy change of 2nd ionisation
The enthalpy change when 1 mole of gaseous 2+ ions are made from 1 mole of gaseous 1+ ions.
1st electron affinity
The enthalpy change when 1 mole of gaseous 1- ions are made from 1 mole of gaseous atoms.
2nd electron affinity
The enthalpy change when 1 mole of gaseous 2- ions are made from 1 mole of gaseous 1- ions.
Enthalpy change of 2nd ionisation
The enthalpy change when 1 mole of gaseous 2+ ions are made from 1 mole of gaseous 1+ ions.
Enthalpy of hydration
Enthalpy change when 1 mole of aqueous ions is made from 1 mole of gaseous ion