Enthalpy change A level Definitions
- Created by: georgia.mb04
- Created on: 25-05-20 08:48
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2. Enthalpy change of atomisation
- E.C when all ions in one mole of -1 gaseous ion gains an electron to form one mole of gaseous -2 ions
- E.C when one mole of gaseous atom is produced from an element in its standard states
- E.C when one mole of solid ionic compound is formed from its constituent ions in gas phase
- E.C when one mole of gaseous ions become hydrated
3. Enthalpy change of 1st electron affinity
- E.C when one mole of ionic solid dissolves in a large volume of water so that none of the ions interact
- E.C when all ions in one mole of -1 gaseous ions all gain an electron to form one mole of -2 gaseous ions
- E.C when each atom in one mole of gaseous atom gains an electron to form one mole of -1 gaseous ions
- Energy required to form one mole of a solid ionic lattice from its gaseous ions under standard conditions
4. Enthalpy change of lattice enthalpy of dissociation
- E.C when one mole of solid ionic compound is broken from its constituent ions in gas phase
- E.C when one mole of ionic solid dissolves in a large volume of water so that all the ions are well separated
- E.C when one mole of solid ionic compound is formed from its constituent ions in gas phase
- E.C when one mole of -1 gaseous ions all gain an electron to form one mole of gaseous -2 ions
5. Enthalpy change of hydration
- E.C when one mole of solid ionic compound is formed from its constituent ions in gas phase
- E.C when one mole of solid ionic dissolves in a large amount of water so that all the ions are well separated
- E.C when one mole of gaseous ions become hydrated
- Energy required to form one mole of a solid ionic lattice from its gaseous ions under standard conditions
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