At 850K the value of the equilibrium constant K(pressure) is 0.2970. If a sealed vessel contains an initial reaction mixture of [N2] = 0.0150M, [H2]= 0.0200M and N2H2= 0.000100M what will [N2H2] be when equilibrium in reached.
The chemical equation is N2(g) + H2(g)<-----> N2H2(g)