Energetics definitions 0.0 / 5 ? ChemistryEnergeticsA2/A-levelEdexcel Created by: DavidW001Created on: 11-09-19 11:41 What can be deduced about the structure of a compound when experimental and theoretical lattice energies are very similar Solid is almost totally ionic 1 of 13 When experimental and theoretical lattice energies are very different Has Covalent character 2 of 13 The ability of the cation to distort the anion is known as Polarising Power 3 of 13 Cations with high charge to radius ratio have a Higher polarising power 4 of 13 Theoretical lattice energies Underestimate lattice enthalpy 5 of 13 Enthalpy change of atomisation Enthalpy change when one mole of gaseous atoms is produced from an element in its standard state. 6 of 13 Lattice energy of dissociation Enthalpy change when one mole of an ionic compound is broken up into its constituent ions in the gas phase. 7 of 13 Lattice energy Enthalpy change when one mole of a solid ionic compound formed from its constituent ions int he gas phase. 8 of 13 Measure of strength ionic bonding Lattice energy 9 of 13 Enthalpy change of solution Enthalpy change when one mole of an ionic solid dissolves to form an infinitely dilute solution. 10 of 13 Enthalpy change of hydration enthalpy change when one mole of gaseous ion dissolves to form aqueous ions. 11 of 13 Sign of enthalpy change of Hydration Always negative due to bonds forming between water molecules and the ions. 12 of 13 Sign of enthalpy change of Solution Can be Positive or Negative 13 of 13
COMPLETE - A2 - Chemistry - Unit 4 - Edexcel - New Spec 2008 5.0 / 5 based on 1 rating Teacher recommended
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