Answer: Use the Born-Haber cycle outlined in Section 9.3
Chapter 9, Problem 9.25(choose chapter or problem)
Use the Born-Haber cycle outlined in Section 9.3 for LiF to calculate the lattice energy of NaCl. [The heat of sublimation of Na is 108 kJ/mol and Hf(NaCl) 5 2411 kJ/mol. Energy needed to dissociate 1 2 mole of Cl2 into Cl atoms 5 121.4 kJ.]
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