The equilibrium constant expression for a gas reaction is, KC = [NO]^4 [H2O]^6/ [NH3 ]^4 [O2 ]^5 The balanced chemical equation corresponding to this expression is. KC = [NO]^4 [H2O]^6/ [NH3 ]^4 [O2 ]^5 The balanced chemical equation corresponding to this expression is. The equilibrium constant expression for a gas reaction is November [...]