CCIF₂* + Cl* Freon-12 (CC1₂F₂) was formerly used as a refrigerant in air conditioners. CCl₂F2 is very stable until it reaches Earth's upper atmosphere and is bombarded with UV light radiation from the sun. Chlorine radicals (Cl*) are created. These are unbonded chlorine atoms: seven valence electrons and very unstable. They react with almost everything they encounter, including ozone (03). This is a problem because ozone in the upper atmosphere absorbs harmful UV radiation and prevents it from reaching fragile life below. This resulted in Freon-12 and similar refrigerants being banned and replaced with more environmentally friendly chemicals. Time (year) 0 5 10 15 20 25 30 35 40 45 50 [CCl₂F₂] (M) 1 0.933 0.871 0.813 0.759 0.708 0.661 0.617 0.576 0.537 0.502 Use the date to write a raw law for the photoinduced decomposition of Freon-12 including order and rate coefficient. Predict the rate at [CCl₂F₂] = 0.40M.
CCIF₂* + Cl* Freon-12 (CC1₂F₂) was formerly used as a refrigerant in air conditioners. CCl₂F2 is very stable until it reaches Earth's upper atmosphere and is bombarded with UV light radiation from the sun. Chlorine radicals (Cl*) are created. These are unbonded chlorine atoms: seven valence electrons and very unstable. They react with almost everything they encounter, including ozone (03). This is a problem because ozone in the upper atmosphere absorbs harmful UV radiation and prevents it from reaching fragile life below. This resulted in Freon-12 and similar refrigerants being banned and replaced with more environmentally friendly chemicals. Time (year) 0 5 10 15 20 25 30 35 40 45 50 [CCl₂F₂] (M) 1 0.933 0.871 0.813 0.759 0.708 0.661 0.617 0.576 0.537 0.502 Use the date to write a raw law for the photoinduced decomposition of Freon-12 including order and rate coefficient. Predict the rate at [CCl₂F₂] = 0.40M.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
![6) CCl2F2+ light → CC1F₂* + Cl*
Freon-12 (CC1₂F₂) was formerly used as a refrigerant in air conditioners. CCl₂F2 is very stable until it
reaches Earth's upper atmosphere and is bombarded with UV light radiation from the sun. Chlorine
radicals (Cl*) are created. These are unbonded chlorine atoms: seven valence electrons and very
unstable. They react with almost everything they encounter, including ozone (03). This is a problem
because ozone in the upper atmosphere absorbs harmful UV radiation and prevents it from reaching
fragile life below. This resulted in Freon-12 and similar refrigerants being banned and replaced with
more environmentally friendly chemicals.
Time (year)
0
5
10
15
20
25
30
35
40
45
50
[CCl₂F₂] (M)
1
0.933
0.871
0.813
0.759
0.708
0.661
0.617
0.576
0.537
0.502
Use the date to write a raw law for the photoinduced decomposition of Freon-12 including order and
rate coefficient. Predict the rate at [CCl₂F₂] = 0.40M.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2dbed1da-3f32-4254-ad4d-67b595b99f21%2Fa7cb034a-871b-4607-88fe-8e9d69a9618d%2Fnpfl0zs_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6) CCl2F2+ light → CC1F₂* + Cl*
Freon-12 (CC1₂F₂) was formerly used as a refrigerant in air conditioners. CCl₂F2 is very stable until it
reaches Earth's upper atmosphere and is bombarded with UV light radiation from the sun. Chlorine
radicals (Cl*) are created. These are unbonded chlorine atoms: seven valence electrons and very
unstable. They react with almost everything they encounter, including ozone (03). This is a problem
because ozone in the upper atmosphere absorbs harmful UV radiation and prevents it from reaching
fragile life below. This resulted in Freon-12 and similar refrigerants being banned and replaced with
more environmentally friendly chemicals.
Time (year)
0
5
10
15
20
25
30
35
40
45
50
[CCl₂F₂] (M)
1
0.933
0.871
0.813
0.759
0.708
0.661
0.617
0.576
0.537
0.502
Use the date to write a raw law for the photoinduced decomposition of Freon-12 including order and
rate coefficient. Predict the rate at [CCl₂F₂] = 0.40M.
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