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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Freon-12 (CF,Cl), widely used as a refrigerant and aerosol propellant, is a dangerous air
pollutant. In the troposphere, it traps heat 25 times as effectively as CO2, and in the stratosphere, it
participates in the breakdown of ozone. Freon-12 is prepared industrially by reaction of gaseous
carbon tetrachloride with hy drogen fluoride. Hydrogen chloride gas also forms. How many grams
of carbon tetrachloride are required for the production of 52.6 dm of Freon-12 at 26°C and 1.38
atm?
g CCl,
%24
6)
(NO
n"
Transcribed Image Text:Ili
00
Freon-12 (CF,Cl), widely used as a refrigerant and aerosol propellant, is a dangerous air
pollutant. In the troposphere, it traps heat 25 times as effectively as CO2, and in the stratosphere, it
participates in the breakdown of ozone. Freon-12 is prepared industrially by reaction of gaseous
carbon tetrachloride with hy drogen fluoride. Hydrogen chloride gas also forms. How many grams
of carbon tetrachloride are required for the production of 52.6 dm of Freon-12 at 26°C and 1.38
atm?
g CCl,
%24
6)
(NO
n
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- The eruption of volcano Mt. Tambora in 1816 increased Earth's albedo by 0.009525. By how much (in K) did Earth's average surface temperature decrease? Use the following expression (from Hites, page133), to account for the greenhouse effect (AE): OT4 = (1-a)/4 +AE. Assume initial values for T = 288 K, o = 5.67*10^8 Wm-2 k-4, a= 0.30, and = 1372 Wm-2arrow_forwardCalculate the pressure and composition of air on the top of Mt. Everest, assuming that the atmosphere has a temperature of 0∘C independent of altitude (h=29141ft). Assume that air at sea level is 20%O2 and 80%N2.arrow_forwardFreon-12 (CF2Cl2), widely used as a refrigerant and aerosol propellant, is a dangerous airpollutant. In the troposphere, it traps heat 25 times as effectively as CO2, and in thestratosphere, it participates in the breakdown of ozone. Freon-12 is prepared industrially byreaction of gaseous carbon tetrachloride with hydrogen fluoride. Hydrogen chloride gasalso forms. How many grams of carbon tetrachloride are required for the production of16.0 dm3 of Freon-12 at 27°C and 1.20 atm?arrow_forward
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