1. Is this reaction endothermic or exothermic?

2. What is the reactant(s)? X2 +Y2

3. What is the energy of the reactants?

4. What is the product(s)?

5. What is the energy of the products?

6. What is the activated complex?

7. What is the energy of the activated complex?

8. What is the activation energy for the forward reaction?

9. What is the activation energy of the reverse reaction?

10. What is the enthalpy change (ΔH) going forward?

11. What is the enthalpy change (ΔH) going in reverse?

12. Which has the highest potential energy: reactants, products, activated complex)?

13. Which has the highest kinetic energy: reactants, products, activated complex)?

14. Which has the strongest bonds?

15. What are the two requirements that must be met for a reaction to be effective?