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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
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
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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.
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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