Which of the following reactions is associated with the lattice energy of Li2O (?H°latt)?
A) Li2O(s) ? 2 Li? (g) + O2? (g)
B) 2 Li? (aq) + O2? (aq) ? Li2O(s)
C) 2 Li? (g) + O2? (g) ? Li2O(s)
D) Li2O(s) ? 2 Li? (aq) + O2? (aq)
E) 2 Li(s) + 1/2O2(g) ? Li2O(s)
Answer: C