Chemistry 1 NO(g)+O3(g)O2(g)+NO2(g) Kc=6.010 to the 34 2 O2(g)2O(g) Kc=1.710 to the 8 3 N2(g)+3H2(g)2NH3(g) Kc=60 4 PCl5(g)PCl3(g)+Cl2(g)Kc=0.