39) Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system? Fe3O4(s)+CO(g)=3FeO(s)+CO2(g) H=+35.9kJ A) The equilibrium constant will decrease. B) The reaction will shift to the right in the direction of products. C) The reaction will shift to the left in the direction of reactants. D) No effect will be observed. E) The equilibrium constant will increase