2) The reaction shown below is at equilibrium. Use Le Chatelier's principle to predict the effect of adding ammonia gas to the equilibrium reaction mixture. N20g) 3H2 g) 2NH3(g) A) The equilibrium position will remain unchanged. B) The equilibrium position will shift to the right. C The equilibrium position will shift to the left. D) The equilibrium constant will increase. E) All of the nitrogen gas will be used up. Answer 3) Which statement concerning energy changes in chemical reactions is FALSE? A) The breaking of bonds requires energy, and the formation of bonds releases energy B) Activation energy is the minimum amount of energy required to initiate a chemical reaction. C) A reaction is exothermic if the products have a lower energy than the reactants. D) A reaction is endothermic if the reactants have a lower energy than the products. E) The overall energy change in a reaction is determined by the difference in energy between the products and the activated complex. Answer