Question

Write the equilibrium constant expression for the reaction: 2NO +2H2 =N2+2H2O
Kc=?

Answer 1

Kc = (N2)^2(H2O)^2/(NO)^2(H2)^2 assuming all are gaseous.

Answer 2

OOPs
Try

Kc = (N2)(H2O)^2/(NO)^2(H2)^2