Given the following information: N2 (g) + 3H2 (g) ⇄ 2NH3 (g)             Kc = 1.8x10-9 2H2 (g) + O2 (g) ⇄ 2H2O(g)             Kc = 3.6x10-8 2N2 (g) + 2O2 (g) ⇄ 4NO(g)             Kc = 2.0x1011 What is the equilibrium constant for the reaction 4NH3 (g) + 5O2 (g) ⇄ 4NO(g) + 6H2O(g) a) 3.65x1021 b) 5.87x104 c) 9.82x1015 d) 2.88x106 e) 5.56x108

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