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

question 44

Multiple Choice

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
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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