Kinetics - Extra Practice Problems Worksheet With Answer Key - General Chemistry Ii Page 6
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156
Determining Reactant Orders from Actual Data
23. Given the following data, determine the order of the reaction with respect to Cl
.
2
2NO(g) + Cl
(g) → 2NOCl(g)
2
Experiment
[NO] (M)
[Cl
] (M)
Rate (M/s)
2
–4
1
0.0300
0.0100
3.4 × 10
–5
2
0.0150
0.0100
8.5 × 10
–4
3
0.0150
0.0400
3.4 × 10
a.
first
d.
fourth
b.
second
e.
fifth
c.
third
24. Given the following data, determine the order of the reaction with respect to H
.
2
H
(g) + 2ICl(g) → I
(g) + 2HCl(g)
2
2
Experiment
[H
] (torr)
[ICl] (torr)
Rate (M/s)
2
1
250
325
1.34
2
250
81
0.331
3
50
325
0.266
a.
one-half
d.
third
b.
second
e.
three-halves
c.
first
25. Given the following data, determine the order of the reaction with respect to NO(g).
2NO(g) + Cl
(g) → 2NOCl(g)
2
Experiment
[NO] (M)
[Cl
] (M)
Rate (M/s)
2
–4
1
0.0300
0.0100
3.4 × 10
–5
2
0.0150
0.0100
8.5 × 10
–4
3
0.0150
0.0400
3.4 × 10
a.
first
d.
fourth
b.
second
e.
fifth
c.
third
26. Determine the overall order of the reaction: H
(g) + 2ICl(g) → I
(g) + 2HCl(g) from the following data:
2
2
Experiment
P
(torr)
P
(torr)
Rate (torr/s)
H
ICl
1
250
325
1.34
2
250
81
0.331
3
50
325
0.266
a.
first
d.
fourth
b.
second
e.
zeroth
c.
third
27. Determine the overall order of the reaction 2NO(g) + Cl
(g) → 2NOCl(g) from the following data:
2
Experiment
[NO] (M)
[Cl
] (M)
Rate (M/s)
2
–4
1
0.0300
0.0100
3.4 × 10
–5
2
0.0150
0.0100
8.5 × 10
–4
3
0.0150
0.0400
3.4 × 10
a.
first
d.
fourth
b.
second
e.
fifth
c.
third
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