AQA Chem5: Enthalpy Definitions

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  • Created by: anna
  • Created on: 09-06-13 17:01
Bond Dissociation Enthalpy
The energy required to break a covalent bond in a gaseous molecule, normally diatomic
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Enthalpy of Atomisation
The enthalpy change to form 1 mole of gaseous atoms from an element in its standard state
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Enthalpy of Sublimation
The enthalpy change to form 1 mole of gaseous atoms from 1 mole of a solid element
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Enthalpy of 1st Ionisation Energy
The enthalpy change to form 1 mole of gaseous (+1) ions from 1 mole of gaseous atoms
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Enthalpy of 1st Electron Affinity
The enthalpy change when 1 mole of gaseous negative ions (-1) are formed from 1 mole of gaseous atoms
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Lattice Association Enthalpy
The enthalpy change when 1 mole of an ionic lattice is formed from its ions in a gaseous state
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Lattice Dissociation Enthalpy
The enthalpy change when 1 mole of an ionic lattice dissociates to form its ions in a gaseous state
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Enthalpy of Hydration
The enthalpy change when 1 mole of aqueous ions are formed from gaseous ions
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Enthalpy of Solution
The enthalpy change when 1 mole of solute is dissolved in sufficient solvent that no further enthalpy change occurs on further dilution
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Other cards in this set

Card 2

Front

The enthalpy change to form 1 mole of gaseous atoms from an element in its standard state

Back

Enthalpy of Atomisation

Card 3

Front

The enthalpy change to form 1 mole of gaseous atoms from 1 mole of a solid element

Back

Preview of the back of card 3

Card 4

Front

The enthalpy change to form 1 mole of gaseous (+1) ions from 1 mole of gaseous atoms

Back

Preview of the back of card 4

Card 5

Front

The enthalpy change when 1 mole of gaseous negative ions (-1) are formed from 1 mole of gaseous atoms

Back

Preview of the back of card 5
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