For NaCl: ΔsubH(Na) = 108, ΔiH(Na) = 496, ½ΔdissH(Cl2) = 121, ΔegH(Cl) = −349 and ΔfH(NaCl) = −411 (all in kJ mol−1). The lattice enthalpy of NaCl is

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MCQ (Single)Lattice Enthalpy and Born-Haber CycleHess's Law of Constant Heat Summation

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