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Use the Born-Haber Cycle to Calculate the Standard Enthalpy of Formation

Question 85

Multiple Choice

Use the Born-Haber cycle to calculate the standard enthalpy of formation ( Δ\Delta H Use the Born-Haber cycle to calculate the standard enthalpy of formation ( \Delta H ) for LiCl(s) given the following data: \Delta H(sublimation) Li = 155.2 kJ/mol I<sub>1</sub> (Li) = 520 kJ/mol Bond energy (Cl-Cl) = 242.7 kJ/mol EA (Cl) = 349 kJ/mol Lattice energy (LiCl(s) ) = 828 kJ/mol A) 440 kJ/mol B) 320 kJ/mol C) -260 kJ/mol D) -380 kJ/mol E) -1420 kJ/mol ) for LiCl(s) given the following data: Δ\Delta H(sublimation) Li = 155.2 kJ/mol
I1 (Li) = 520 kJ/mol
Bond energy (Cl-Cl) = 242.7 kJ/mol
EA (Cl) = 349 kJ/mol
Lattice energy (LiCl(s) ) = 828 kJ/mol


A) 440 kJ/mol
B) 320 kJ/mol
C) -260 kJ/mol
D) -380 kJ/mol
E) -1420 kJ/mol

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