Calculate ΔGo for the reaction of ammonia with oxygen:

4NH3 (g) + 3 O2 (g) → 2N2 (g) + 6 H2O (g)

using the following data:

Substance NH3 (g) O2 (g) N2 (g) H2O (g)

ΔGo (kJ/mol) - 16 0 0 -228.6

a) 212.6 kJ

b) 1307.6 kJ

c) - 212.6 kJ

d) -1435.6 kJ

e) -1307.6kJ