•Predict whether reactants or products are favored at equil
•S2(g) + 2H2(g) D 2H2S(g)  K=2.8x10-21
•CO(g) + 2H2(g) DCH3OH(g) K= 10.5
•Br2(g) + Cl2(g) D2BrCl(g) K =58.0
•I2(g) D 2I(g)  K = 6.8x10-3