Use the Born-Haber cycle to calculate the lattice energy of MgO (s) given the following data: H(sublimation) Mg = 130 kJ/mol
I1 (Mg) = 738.1 kJ/mol
I2 (Mg) = 1450 kJ/mol
Bond energy (O=O) = 498.7 kJ/mol
EA (O) = 141 kJ/mol
EA (O-) = -780 kJ/mol
H
(MgO(s) ) = -601.8 kJ/mol
A) 2200 kJ/mol
B) 2800 kJ/mol
C) 3200 kJ/mol
D) 3800 kJ/mol
E) 4100 kJ/mol
Correct Answer:
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