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 The reaction will shift to the left in the direction of reactants. The equilibrium constant will increase. The equilibrium constant will decrease. No effect will be observed. The reaction will shift to the right in the direction of products. Consider the following reaction at equilibrium. What effect will reducing the pressure of the reaction mixture have on the system? Xe(g)+2F2(g)XeF4(g) The reaction will shift to the left in the direction of reactants. The equilibrium constant will increase: No effect will be observed. The reaction will shift to the right in the direction of products. The equilibrium constant will decrease