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12 Cards in this Set
- Front
- Back
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Define Enthalpy Change of Formation. |
Enthalpy change when 1 mole of compound is formed from its elements in their standard states (under standard conditions) |
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Define Enthalpy Change of Neutralisation. |
Enthalpy change when 1 mole of water is formed from the reaction between an acid and base (under standard conditions). |
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Define Enthalpy Change of Atomisation of an Element. |
Enthalpy change when 1 mole of gaseous atoms is formed from an element in it's standard state. |
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Define Enthalpy Change of Atomisation of a Compound. |
Enthalpy change when 1 mole of gasous atoms is formed from a compound in it's standard state. |
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Define First Ionisation Enthalpy. |
Enthalpy change when one mole of gaseous +1 Ions are formed from 1 mole of gaseous atoms. |
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Define Second Ionisation Enthalpy. |
Enthalpy change when one mole of gaseous +2 Ions are formed from 1 mole of gaseous +1 Ions. |
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Define First Electron Affinity. |
Enthalpy change when one mole of gaseous -1 Ions are formed from 1 mole of gaseous atoms. |
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Define Second Electron Affinity. |
Enthalpy change when one mole of gaseous -2 Ions are formed from 1 mole of gaseous -1 Ions. |
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Define Enthalpy change of Hydration. |
Enthalpy change when one mole of aqueous atoms are formed from one mole of gaseous atoms. |
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Define Enthalpy change of Solution.
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Enthalpy change when one mole of solute is dissolved in sufficient solvent so that no further Enthalpy change takes place. |
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Define Lattice Enthalpy. |
Enthalpy change when 1 mole of Ionic compound is formed from its gaseous Ions (in standard conditions). |
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What can Lattice Enthalpy measure? |
Ionic Bond strength. |
