Transcription of Lattice Dissociation Enthalpy
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Lattice Dissociation Enthalpy
Lattice Enthalpy WARNING There can be two definitions - one is the opposite of the other!Make sure you know which one is being Dissociation EnthalpyDefinitionThe Enthalpy change when ONE MOLE of an ionic Lattice dissociatesnto isolated gaseous highly endothermic - there is a strong electrostatic attraction between ions of opposite charge a lot of energy must be put in to overcome the attractionExample Na+ Cl (g) - > Na+(g) + Cl (g) ENDOTHERMIC EXOTHERMICL attice Formation EnthalpyDefinitionThe Enthalpy change when ONE MOLE of an ionic crystal Lattice is formed from itsisolated gaseous highly exothermic - strong electrostatic attraction between ions of opposite charge a lot of energy is released as the bond is formed relative values are governed by th
LATTICE ENTHALPY WARNING There can be two definitions - one is the opposite of the other! Make sure you know which one is being used. Lattice Dissociation Enthalpy Definition The enthalpy change when ONE MOLE of an ionic lattice dissociates
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