Enthalpy definitions

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  • Created by: Atj
  • Created on: 26-09-15 10:10
Standard enthalpy of formation
Is the enthalpy change when 1 mole of a compound is formed from its elements in its standard states
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First electron affinity
Is the enthalpy change when electrons are gained by 1 mole of gaseous atoms to form 1 mole of gaseous ions with a single negative charge
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First ionisation enthalpy
Is th enthalpy change when the highest energy electrons are removed from 1 mol of gaseous atoms to form 1 mole of gaseous ions with a single positive charge
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Lattice Dissociation enthalpy
Is the enthalpy change when 1 mole of an ionic solid is separated into its gaseous ions
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Enthalpy of solution
Is the enthalpy change when 1 mole of an ionic substance is dissolved in a volume of water large enough to ensure that the ions are separate and dont interact
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Standard bond dissociation enthalpy
Is the enthalpy change when 1 mole of bonds of the same type in gaseous molecules is broken under standard conditions
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Second ionisation enthalpy
Is the enthalpy change when the 2nd highest energy electrons are removed from 1 mole of gaseous atoms to form 1 mole of gaseous ions with a 2+ charge
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Lattice formation enthalpy
Is the enthalpy change when 1 mole of an ionic solid is formed from its gaseous ions
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Enthalpy of atomisation
Is the enthalpy change when 1 mole of gaseous atoms are formed from an element or cpmpound
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Second electron affinity
The enthalpy change when electrons are gained by 1 mole of gaseous atoms to form 1 mole of gaseous ions with a 2- charge
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Card 2

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Is the enthalpy change when electrons are gained by 1 mole of gaseous atoms to form 1 mole of gaseous ions with a single negative charge

Back

First electron affinity

Card 3

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Is th enthalpy change when the highest energy electrons are removed from 1 mol of gaseous atoms to form 1 mole of gaseous ions with a single positive charge

Back

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Card 4

Front

Is the enthalpy change when 1 mole of an ionic solid is separated into its gaseous ions

Back

Preview of the back of card 4

Card 5

Front

Is the enthalpy change when 1 mole of an ionic substance is dissolved in a volume of water large enough to ensure that the ions are separate and dont interact

Back

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