CHM 2046C Sample Module Nine Exam Name:_______________

Module Nine: Chemical Kinetics - Chapter 15	Possible	Actual
A. Rate Law applied to Collision Model (lecture)	10
B. Factors forming the rate Constant-Section 15.5	10
C: Free Radical Mechanism of Halogenation of Alkane (lecture)	10
D. Determination of Rate Orders from Lab Data Section 15.3 p706-712	20
E. 1st, 2nd, zero order Graphical Methods Determination Section 15.4 p716-722.	10
F. Conct-Time Relationships Half Life 1st Order Section 15.4 p712-716	5
G. Mechanism of Reactions Section 15.6 p732-741	20
H. Discussion Question-Chapter 15 study guide & Lecture	10	answer
K. Key Terms - Chapter 15	10
M. Multiple Choice - Chapter 15	15
Module Nine Total:	120

Part A: Law of Mass Action 10 points

In the reaction: A + B ------> C + D ; assuming the reaction is first order with respect to both the reactants A and B;

the rate expression is: Rate = k’[A][B]. The reverse reaction is not a factor in the initial concentration changes.

Demonstrate the Law of Mass Action in explaining why you multiple the concentrations A times the concentration of B in the rate expression

( [A][B] ) .

What does this product represent?

Is this product a number greater or less than one?