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The following reaction mechanism occurs in the troposphere: NO2 + hv → NO + O O + 02 + M → O3 + M O3 + hv → O2 + O O" + M → O + M k4 = 2.90*10-11 cm³ molecule-1 s-1 3 O + H2O → 2 OH k5 = 2.20*10-10 3 cm³ moleculels-1 OH + CO → CO2 + H k6 = 2.70*10-13 cm3 molecule-1s-1 The pressure is 0.926 atm, the temperature is 25.0 °C, and [CO] = 4.99 ppmv. Determine the lifetime (in seconds) of the OH radical. (Hint: Which reactions determine the lifetime of OH? Identify the inflow and the outflow of OH into and out of the atmosphere.)

The following reaction mechanism occurs in the troposphere: NO2 + hv → NO + O O + 02 + M → O3 + M O3 + hv → O2 + O O" + M → O + M k4 = 2.90*10-11 cm³ molecule-1 s-1 3 O + H2O → 2 OH k5 = 2.20*10-10 3 cm³ moleculels-1 OH + CO → CO2 + H k6 = 2.70*10-13 cm3 molecule-1s-1 The pressure is 0.926 atm, the temperature is 25.0 °C, and [CO] = 4.99 ppmv. Determine the lifetime (in seconds) of the OH radical. (Hint: Which reactions determine the lifetime of OH? Identify the inflow and the outflow of OH into and out of the atmosphere.)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The following reaction mechanism occurs in the troposphere: NO2 + hv → NO + O O + 02 + M → O3 + M O3 + hv → O2 + O O" + M → O + M k4 = 2.90*10-11 cm³ molecule-1 s-1 3 O + H2O → 2 OH k5 = 2.20*10-10 3 cm³ molecule-ls-1 OH + CO → CO2 + H k6 = 2.70*10-13 cm3 molecule 1s-1 The pressure is 0.926 atm, the temperature is 25.0 °C, and [CO] = 4.99 ppmv. Determine the lifetime (in seconds) of the OH radical. (Hint: Which reactions determine the lifetime of OH? Identify the inflow and the outflow of OH into and out of the atmosphere.)
Transcribed Image Text:The following reaction mechanism occurs in the troposphere: NO2 + hv → NO + O O + 02 + M → O3 + M O3 + hv → O2 + O O" + M → O + M k4 = 2.90*10-11 cm³ molecule-1 s-1 3 O + H2O → 2 OH k5 = 2.20*10-10 3 cm³ molecule-ls-1 OH + CO → CO2 + H k6 = 2.70*10-13 cm3 molecule 1s-1 The pressure is 0.926 atm, the temperature is 25.0 °C, and [CO] = 4.99 ppmv. Determine the lifetime (in seconds) of the OH radical. (Hint: Which reactions determine the lifetime of OH? Identify the inflow and the outflow of OH into and out of the atmosphere.)
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