Question

Given the following chemical equilibria, N2 (g) + O2 (g) <---> 2NO (g) K1=0.641 4NH3 (g)...

Given the following chemical equilibria,

N2 (g) + O2 (g) <---> 2NO (g) K1=0.641

4NH3 (g) + 5O2 (g) <---> 4NO (g) + 6H2O (g) K2=29.48

H2 (g) + 1/2O2 (g) <---> H2O (g) K3=74.93

Determine the equilibrium constant for the reaction below:

N2 (g) + 3H2 (g) <---> 2NH3 (g) Kc = ???

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