Would increasing the volume of the equilibrium mixture of each of the following reactions cause the equilibrium to shift and if so will the shift be toward products or reactants? a)2NH3(g)<>3H2(g)+N2(g). b)N2(g)+O2(g)<>2NO(g). c)2NO2(g)<>N2(g)+2O2(g). d)4NH3(g)+3O2(g)<>2N2(g)+6H2O(g)