Use the following energy profile diagram to answer Questions (a) to (c) below. (a) From the diagram, determine the value of the; (i) enthalpy of the reactio...

 Use the following energy profile diagram to answer Questions (a) to (c) below.

(a) From the diagram, determine the value of the; (i) enthalpy of the reaction (ii) activation energy of the reaction.

(b) State whether the profile diagram is for an endothermic reaction or an exothermic reaction.

(c) What name is given to substances which can provide an alternative pathway for the reaction?