a) Match the energy profile with the appropriate statement R R nh R P P P P R (a) reaction coordinate (c) (b) (d) (d) (1) a moderately endothermic reaction that occurs at a relatively slow rate. (ii) an exothermic reaction with a moderate activation energy. (iii) a highly exothermic reaction with a large activation energy. (iv) a moderately endothermic reaction that occurs at a relatively fast rate. (v) a moderately exothermic reaction with no activation energy