Chemical Kinetics Worksheet With Answers By Prof. Abdullah M. Asiri - 2009
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33August 16, 2009
[PROBLEM SET FROM R. CHANG TEST
BANK]
Chapter 13 Chemical Kinetics
Student: ___________________________________________________________________________
1.
The units of "reaction rate" are
-1
-1
A.
L mol
s
.
2
-2
-1
B.
L
mol
s
.
-1
C.
s
.
-2
D.
s
.
-1
-1
E.
mol L
s
.
→ 3Br
]/∆t = 1.5 × 10
-
-
+
-
-2
2.
For the reaction BrO
+ 5Br
+ 6H
+ 3H
O at a particular time, -∆[BrO
M/s.
3
2
2
3
-
What is -∆[Br
]/∆t at the same instant?
A.
13 M/s
7.5 × 10
-2
B.
M/s
1.5 × 10
-2
C.
M/s
3.0 × 10
-3
D.
M/s
E.
330 M/s
For the following reaction, ∆P(C
)/∆t was found to be -6.2 × 10
-3
3.
H
atm/s.
6
14
(g) → C
C
H
H
(g) + 4H
(g)
6
14
6
6
2
Determine ∆P(H
)/∆t for this reaction at the same time.
2
6.2 × 10
-3
A.
atm/s
1.6 × 10
-3
B.
atm/s
2.5 × 10
-2
C.
atm/s
-1.6 × 10
-3
D.
atm/s
-2.5 × 10
-2
E.
atm/s
(g) → C
(g), ∆P(H
)/∆t was found to be 2.5 × 10
atm/s, where ∆P(H
-2
4.
For the reaction C
H
H
(g) + 4H
)
6
14
6
6
2
2
2
is the change in pressure of hydrogen. Determine ∆P(C
H
)/∆t for this reaction at the same time.
6
14
2.5 × 10
-2
A.
atm/s
-6.2 × 10
-3
B.
atm/s
-2.5 × 10
-2
C.
atm/s
D.
0.10 atm/s
6.2 × 10
-3
E.
atm/s
1
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