Multiple Choice
Calculate the lattice energy for MgO(s) using a Born-Haber cycle and the following information: MgO(s) → Mg2+(g) + O2-(g) ?
Mg(s) → Mg(g) +147.1 kJ/mol
Mg(g) → Mg+(g) + e- +737.8 kJ/mol
Mg+(g) → Mg2+(g) + e- +1451 kJ/mol
1/2 O2(g) → O(g) +249.0 kJ/mol
O(g) + e- → O-(g) -141.1 kJ/mol
O-(g) + e- → O2-(g) +798.0 kJ/mol
Mg(s) + 1/2 O2(g) → MgO(s) -601.8 kJ/mol
A) +1842 kJ/mol
B) +2444 kJ/mol
C) +3844 kJ/mol
D) +4108 kJ/mol
Correct Answer:

Verified
Correct Answer:
Verified
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