1. Using the following potential energy graph, answer the following questions.

2. Label the location of the reactants, products and activated complex. 3. How do you calculate activation energy when using a potential energy diagram? 4. How do you determine heat of reaction using a potential energy diagram? 5. What is the value of the potential energy of the reactants? Products? Activated complex? 6. How do you determine heat of reaction using a potential energy diagram? 7. What is heat of reaction and how do you determine it using a potential energy diagram? 8. What is the value of the activation energy based on this graph? 9. What is the value of the heat of reaction based on this graph? 10. Is this an endothermic or exothermic reaction? 11. If AB is an exothermic reaction, how does the activation energy for the forward reaction compare with the

activation energy for the reverse reaction? Use your potential energy diagram worksheet to answer this question.

PE (kJ)

20

60

40

80

100

Reaction Pathway