Give definitions: Lattice enthalpy, Enthalpy of ofrmation.
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The lattice dissociation enthalpy is the enthalpy change needed to convert 1 mole of solid crystal into its scattered gaseous ions. ... The lattice formation enthalpy is the enthalpy change when 1 mole of solid crystal is formed from its scattered gaseous ions. Lattice formation enthalpies are always negative.
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The Lattice dissociation enthalpy is the enthalpy changes needed to convert 1 mole of solid crystal into its scattered gaseous ions ...the Lattice formation enthalpy is the enthalpy changes when 1 mole of solid crystal is formed from its scattered gaseous ions Lattice formation enthalpies are always negative
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