CHM 2046C Module Nine Sample Exam

Part H: Discussion Question-Chapter 15 10 points

Work the three circled questions. If none are circled ask you instructor:

1. Summarize the ways in which the rate of a chemical reaction can be changed.

2. What is a reaction intermediate?

3. What does a catalyst actually do? What is the difference between a homogeneous catalyst and a heterogeneous catalyst?

4. List the three requirements for a successful collision between molecules.

5. Define the rate-determining step of a reaction mechanism.

6. Describe what the activation energy is.