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CH 302 Exam 3 Review
5/03/11
•
Rate Law
•
Reaction mechanism
•
Integrated rate equations
•
Temperature dependence of rate constants/activation energy
•
Redox reaction/reduction potential
•
Voltaic cells
•
Electrolytic cells
R
ATE
L
AW
1. The following data were collected for the reaction:
A + B
2
+ 2C
→
D
[A] (M)
[B
2
] (M)
[C] (M)
Initial Rate (M/
s)
1
0.1
0.1
0.01
1.2 x 10
3
2
0.2
0.1
0.01
4.8 x 10
3
3
0.3
0.1
0.02
2.16 x 10
2
4
0.4
0.2
0.01
3.84 x 10
2
a. What is the rate law expression?
Rate=
k
[A]
2
[B
2
][C]
b. What is the unit for
k
?
M
3
S
1
c.
If the reaction rate is 4.8 x 10
3
M/s, what is the rate of
consumption of C? What is the rate of change of A?
Consumption of C: 9.6 x 10
3
M/s
Change of A: 4.8 x 10
3
M/s
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View Full DocumentR
EACTION
M
ECHANISM
2.
Write a correct rate law expression for the following reaction with the
proposed mechanism:
Fast
A + B
↔
C
Slow
C + B
→
2D
Net
A + 2B
→
2D
Rate =
k
[A][B]
2
I
NTEGRATED
R
ATE
E
QUATIONS
3.
For the following reaction, The rate constant is 1.60 x 10
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 Spring '09
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