Use the Born-Haber Cycle to Calculate the Lattice Energy of NaBr(s)

question 1

Multiple Choice

Use the Born-Haber cycle to calculate the lattice energy of NaBr(s) given the following data: $\Delta$ H(sublimation) Na = 109 kJ/mol
I₁ (Na) = 496 kJ/mol
Bond energy (Br-Br) = 192 kJ/mol
EA (Br) = 324 kJ/mol
$\Delta$ H_f (NaBr(s) ) = -361 kJ/mol

• A) 738 kJ/mol
• B) 748 kJ/mol
• C) 758 kJ/mol
• D) 768 kJ/mol
• E) None of the above

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