Enthalpy 2.5 / 5 based on 2 ratings ? ChemistryEnthalpyA2/A-levelAQA Created by: RusharnCreated on: 11-03-13 22:24 Define Enthalpy of Combustion when an element undegoes complete combustion in excess oxygen (standard states) 1 of 11 Define Enthalpy of Formation when one molecule of compound is formed from its constituent elements (standard states and conditions) 2 of 11 Define Enthalpy of Electron Affinity When one molecule of gaseous atoms gains one electron per atom to produce -ve gaseous ions 3 of 11 Define Enthalpy of Atomisation when one molecule of gaseous atoms is formed from an element in normal state 4 of 11 Define Enthalpy of 1st Ionisation When one molecule of gaseous atoms loses one electron per atom to produce gaseous positive ions 5 of 11 Define Enthalpy of 2nd Ionisation When one molecule of gaseous atoms loses two electrons per atom to produce 2+ ions 6 of 11 Enthalpy of Hydration When one molecule of gaseous ions become hydrated 7 of 11 Enthalpy of Solution When one molecule of ionic solid dissolves in water, dissolved ions are seperated and don't react with eachother 8 of 11 Enthalpy of Bond Dissociation When one mole of covalent bond is broken in gaseous state 9 of 11 Enthalpy of Lattice (formation) When one mole of solid ionic compound is formed from its constituent ions in gas phase 10 of 11 Enthalpy of Lattice (dissociation) when one mole of ionic compound is broken up into its constituents in gas phase 11 of 11
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