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10 Cards in this Set
- Front
- Back
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Enthalpy Change of Neutralisation
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Enthalpy change when 1 mole of water is formed by the reaction between an acid and a base under standard conditions.
H⁺ + OH⁻ → H₂O |
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Enthalpy Change of Formation |
Enthalpy change when 1 mole of a compound is formed from its elements in their standard states under standard conditions.
Ca(s) + Cl₂(g) → CaCl₂(s) |
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Enthalpy Change of Atomisation of an Element |
Enthalpy change when 1 mole of gaseous atoms is formed from an element in its standard state.
½Cl₂(g) → Cl(g) |
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Enthalpy Change of Atomisation of a Compound |
Enthalpy change when 1 mole of a compound in its standard state is converted to gaseous atoms.
NaCl(s) → Na(g) + Cl(g) |
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First Ionisation Enthalpy |
Enthalpy change when 1 mole of gaseous 1+ ions is formed from 1 mole of gaseous atoms.
Mg(g) → Mg⁺(g) + e⁻ |
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Second Ionisation Enthalpy |
Enthalpy change when 1 mole of gaseous 2+ ions is formed from 1 mole of gaseous 1+ ions.
Mg⁺(g) → Mg²⁺(g) + e⁻ |
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First Electron Affinity |
Enthalpy change when 1 mole of gaseous 1- ions is made from 1 mole of gaseous atoms.
O(g) + e⁻ → O²⁻(g) |
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Second Electron Affintiy |
Enthalpy change when 1 mole of gaseous 2- ions is made from 1 mole of gaseous 1-ions.
O⁻(g) + e⁻ → O²⁻(g) |
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Enthalpy Change of Hydration |
Enthalpy change when 1 mole of aqueous ions is formed from gaseous ions.
Na⁺(g) → Na⁺(aq) |
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Enthalpy Change of Solution |
Enthalpy change when 1 mole of solute is dissolved in sufficient solvent that no further enthalpy change occurs on further dilution.
NaCl(s) → NaCl(aq) |
