Enthalpy and Entropy 0.0 / 5 ? ChemistryEnthalpyEntropyA2/A-levelAQA Created by: heyitsbeth123Created on: 23-10-17 13:41 Enthalpy of Hydration Enthalpy change when water molecules surround one mole of gaseous ions 1 of 11 Standard Enthalpy of Formation Enthalpy change when one mole of a compound is formed from it's elements in standard states 2 of 11 Standard Enthalpy of Atomisation Enthalpy change which accompanies the formation of one mole of gaseous atoms from the element 3 of 11 Enthalpy of Solution Standard enthalpy change when one mole of solute dissolves completely to form a solution where molecules are too far apart to interact 4 of 11 Enthalpy of Lattice Dissociation Enthalpy change when one mole of solid ionic compound is dissociated into it's gaseous ions 5 of 11 Electron Affinity Standard enthalpy change when a mole of gaseous atoms is converted to a mole of gaseous ions with a negative charge 6 of 11 Mean Bond Enthalpy Enthalpy change when one mole of gaseous molecules each break a covalent bond to form two free radicals, averaged over a range of compounds 7 of 11 Standard Enthalpy of Combustion Enthalpy change when one mole of substance is completely burnt in oxygen 8 of 11 First Ionisation Energy Enthalpy change when one mole of gaseous atoms is converted to one mole of positive gaseous ions 9 of 11 Enthalpy of Lattice Formation Enthalpy change when one mole of solid ionic compound is formed from its gaseous ions 10 of 11 Entropy Numerical measure of disorder in a chemical system 11 of 11
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