The enthalpy change when one mole of a compound is formed from its constituent elements under standard conditions, all reactants and products in their standard state.
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Standard enthalpy of atomisation
The enthalpy change which accompanies the formation of one mole of gaseous atoms from the element in its standard state under standard conditions.
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First ionisation energy (first IE)
The standard enthalpy change when one mole of gaseous atoms is converted into a mole of gaseous ions each with a single positive charge.
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First electron affinity (EA)
The standard enthalpy change when a mole of gaseous atoms is converted into a mole of gaseous ions, each with a single negative charge.
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Second electron affinity (EA)
The enthalpy change when a mole of electrons is added to a mole of gaseous ions eaxh with a single negative charge to form ions each with two single negative charges.
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Lattice formation enthalpy
The standard enthalpy change when one mole of solid ionic compound is formed from its gaseous ions.
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Enthalpy of lattice dissociation
When one mole of ionic compound seperates into its gaseous ions
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Enthalpy of hydration
The standard enthalpy change when water molecules surround one mole of gaseous ions.
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Enthalpy of solution
The standard enthalpy change when one 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.
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Mean bond enthalpy
The enthalpy change when one mole of gaseous molecules each breaks a covalent bond to form two free radicals, averaged over a range of compounds.
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Spontaneous/feasible
That a reaction has a tendency to happen.
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Other cards in this set
Card 2
Front
100kPa & 298K.
Back
Standard conditions
Card 3
Front
The enthalpy change when one mole of a compound is formed from its constituent elements under standard conditions, all reactants and products in their standard state.
Back
Card 4
Front
The enthalpy change which accompanies the formation of one mole of gaseous atoms from the element in its standard state under standard conditions.
Back
Card 5
Front
The standard enthalpy change when one mole of gaseous atoms is converted into a mole of gaseous ions each with a single positive charge.
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