The chlorine radical then reacts with ozone as follows: sp sual Cl +O3 CIO + O2 CIO + O Cl + O2 -> The O atom is from the photochemical decomposi- tion of O, molecules. (a) Write the overall reaction for the last two steps. (b) What are the roles of Cl and ClO? (c) Why is the fluorine radical not important in this mechanism? (d) One suggestion to reduce the concentration of chlorine radicals is to add hydrocarbons such as eth- ane (C,H6) to the stratosphere. How will this work? (e) Draw potential energy versus reaction progress diagrams for the uncatalyzed and catalyzed (by Cl) destruction of ozone: O + 0 20,. Use the ther- modynamic data in Appendix 2 to determine whether the reaction is exothermic or endothermic. on 13.102 Chlorine oxide (CIO), which plays an important role in the depletion of ozone (see Problem 13.101), de- cays rapidly at room temperature according to the equation st- st he 2CIO(g) Cl,(g) + O2(g) -> sed ly: From the following data, determine the reaction or- der and calculate the rate constant of the reaction. Time (s) [CIO] (M) on. eis 0.12 x 10-3 8.49 x 10-6 9- 7.10 X 10 6 5.79 X 10-6 0.96 x 10-3 2.24 x 10 3 orm e in- fact olor 9- 3.20 x 10-3 4.00 x 10-3 5.20 x 10 6 4.77 x 10-6 13.103 A compound X undergoes two simultaneous first- order reactions as follows: X Y with rate con- stant k and X Z with rate constant k. The ratio of k lk, at 40°C is 8.0. What is the ratio at 300°C? Assume that the frequency factors of the two reac- lain tion rom per tions are the same.
The chlorine radical then reacts with ozone as follows: sp sual Cl +O3 CIO + O2 CIO + O Cl + O2 -> The O atom is from the photochemical decomposi- tion of O, molecules. (a) Write the overall reaction for the last two steps. (b) What are the roles of Cl and ClO? (c) Why is the fluorine radical not important in this mechanism? (d) One suggestion to reduce the concentration of chlorine radicals is to add hydrocarbons such as eth- ane (C,H6) to the stratosphere. How will this work? (e) Draw potential energy versus reaction progress diagrams for the uncatalyzed and catalyzed (by Cl) destruction of ozone: O + 0 20,. Use the ther- modynamic data in Appendix 2 to determine whether the reaction is exothermic or endothermic. on 13.102 Chlorine oxide (CIO), which plays an important role in the depletion of ozone (see Problem 13.101), de- cays rapidly at room temperature according to the equation st- st he 2CIO(g) Cl,(g) + O2(g) -> sed ly: From the following data, determine the reaction or- der and calculate the rate constant of the reaction. Time (s) [CIO] (M) on. eis 0.12 x 10-3 8.49 x 10-6 9- 7.10 X 10 6 5.79 X 10-6 0.96 x 10-3 2.24 x 10 3 orm e in- fact olor 9- 3.20 x 10-3 4.00 x 10-3 5.20 x 10 6 4.77 x 10-6 13.103 A compound X undergoes two simultaneous first- order reactions as follows: X Y with rate con- stant k and X Z with rate constant k. The ratio of k lk, at 40°C is 8.0. What is the ratio at 300°C? Assume that the frequency factors of the two reac- lain tion rom per tions are the same.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.49PAE: The rate of photodecomposition of the herbicide piclo- ram in aqueous systems was determined by...
Related questions
Question
13.102
![The chlorine radical then reacts with ozone
as follows:
sp
sual
Cl +O3
CIO + O2
CIO + O Cl + O2
->
The O atom is from the photochemical decomposi-
tion of O, molecules.
(a) Write the overall reaction for the last two steps.
(b) What are the roles of Cl and ClO? (c) Why is the
fluorine radical not important in this mechanism?
(d) One suggestion to reduce the concentration of
chlorine radicals is to add hydrocarbons such as eth-
ane (C,H6) to the stratosphere. How will this work?
(e) Draw potential energy versus reaction progress
diagrams for the uncatalyzed and catalyzed (by Cl)
destruction of ozone: O + 0 20,. Use the ther-
modynamic data in Appendix 2 to determine
whether the reaction is exothermic or endothermic.
on
13.102 Chlorine oxide (CIO), which plays an important role
in the depletion of ozone (see Problem 13.101), de-
cays rapidly at room temperature according to the
equation
st-
st
he
2CIO(g) Cl,(g) + O2(g)
->
sed
ly:
From the following data, determine the reaction or-
der and calculate the rate constant of the reaction.
Time (s)
[CIO] (M)
on.
eis
0.12 x 10-3
8.49 x 10-6
9-
7.10 X 10 6
5.79 X 10-6
0.96 x 10-3
2.24 x 10 3
orm
e in-
fact
olor
9-
3.20 x 10-3
4.00 x 10-3
5.20 x 10 6
4.77 x 10-6
13.103 A compound X undergoes two simultaneous first-
order reactions as follows: X Y with rate con-
stant k and X Z with rate constant k. The ratio
of k lk, at 40°C is 8.0. What is the ratio at 300°C?
Assume that the frequency factors of the two reac-
lain
tion
rom
per
tions are the same.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdce7689d-4520-4a5f-90cf-3f573cfd3075%2F1cd2e61e-7060-4b3f-bea0-a265c58240d2%2F2zzyfd.jpeg&w=3840&q=75)
Transcribed Image Text:The chlorine radical then reacts with ozone
as follows:
sp
sual
Cl +O3
CIO + O2
CIO + O Cl + O2
->
The O atom is from the photochemical decomposi-
tion of O, molecules.
(a) Write the overall reaction for the last two steps.
(b) What are the roles of Cl and ClO? (c) Why is the
fluorine radical not important in this mechanism?
(d) One suggestion to reduce the concentration of
chlorine radicals is to add hydrocarbons such as eth-
ane (C,H6) to the stratosphere. How will this work?
(e) Draw potential energy versus reaction progress
diagrams for the uncatalyzed and catalyzed (by Cl)
destruction of ozone: O + 0 20,. Use the ther-
modynamic data in Appendix 2 to determine
whether the reaction is exothermic or endothermic.
on
13.102 Chlorine oxide (CIO), which plays an important role
in the depletion of ozone (see Problem 13.101), de-
cays rapidly at room temperature according to the
equation
st-
st
he
2CIO(g) Cl,(g) + O2(g)
->
sed
ly:
From the following data, determine the reaction or-
der and calculate the rate constant of the reaction.
Time (s)
[CIO] (M)
on.
eis
0.12 x 10-3
8.49 x 10-6
9-
7.10 X 10 6
5.79 X 10-6
0.96 x 10-3
2.24 x 10 3
orm
e in-
fact
olor
9-
3.20 x 10-3
4.00 x 10-3
5.20 x 10 6
4.77 x 10-6
13.103 A compound X undergoes two simultaneous first-
order reactions as follows: X Y with rate con-
stant k and X Z with rate constant k. The ratio
of k lk, at 40°C is 8.0. What is the ratio at 300°C?
Assume that the frequency factors of the two reac-
lain
tion
rom
per
tions are the same.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning