Enthalpy change when one mole of compound is formed from its constituent elements under standard conditions, all reactants and products in their standard states.
1 of 10
Define the standard molar enthalpy of atomisation.
Enthalpy change which accompanies the formation of one mole of gaseous atoms from the element in its standard states under standard conditions.
2 of 10
Define the first ionisation energy. (IE)
Standard enthalpy change when one mole of gaseous atoms is converted into a mole of gaseous tons each with a single positive charge.
3 of 10
Define the first electron affinity (EA).
Standard enthalpy change when a mole of gaseous atoms is converted to gaseous ions each with a single negative charge.
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Define the second electron affinity.
Enthalpy change when a mole of electrons is added to a mole of gaseous ions each with a single negative charge to form ions each with two negative charges.
5 of 10
Define the lattice formation enthalpy
Standard enthalpy change when one mole of solid ionic compound is formed from its gaseous ions
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Define the enthalpy of lattice dissociation.
When one mole of ionic compound separates into gaseous ions
7 of 10
Define the enthalpy of hydration.
Standard enthalpy change when water molecules surround one mole of gaseous ions
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Define the enthalpy of solution.
Standard enthalpy change when mole of solute dissolves completely in sufficient solvent to form a solution in which the molecules or ions are far enough apart not to interact with each other
9 of 10
Define mean bond enthalpy.
Enthalpy change when one mole of gaseous molecules each breaks a covalent bond to form two free radicals, averaged over a range of compounds.
10 of 10
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Card 2
Front
Define the standard molar enthalpy of atomisation.
Back
Enthalpy change which accompanies the formation of one mole of gaseous atoms from the element in its standard states under standard conditions.
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