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

Question 7

Multiple Choice

Use the Born-Haber cycle to calculate the standard enthalpy of formation ( ΔHf\Delta{H}^{\circ}_f ) 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

Correct Answer:

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