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Calculate the rate of methane oxidation by OH (in units molecules cm-3 s-1) using the k at T=298 and pressure = 1 atm = 2.4x1019 molecules cm-3. What type of reaction is this?  Assume: [OH] = 1 x 106 molecule cm-3 at all altitudes CH4 mixing ratio = 1.8 ppm (parts per million) = 1.8 umol mol-1 at all altitudes Use the Arrhenius expression k=A e-(Ea/RT) where k is the rate constant, Ea is activation energy, R is the gas constant (in appropriate units), and T is temperature in Kelvin. Arrhenius parameters for the reaction of OH with CH4: -Pre-exponential factor: A= 2.45x10-12 cm3 molec-1 s-1 -Exponential factor: Ea/R = 1775 K

Calculate the rate of methane oxidation by OH (in units molecules cm-3 s-1) using the k at T=298 and pressure = 1 atm = 2.4x1019 molecules cm-3. What type of reaction is this?  Assume: [OH] = 1 x 106 molecule cm-3 at all altitudes CH4 mixing ratio = 1.8 ppm (parts per million) = 1.8 umol mol-1 at all altitudes Use the Arrhenius expression k=A e-(Ea/RT) where k is the rate constant, Ea is activation energy, R is the gas constant (in appropriate units), and T is temperature in Kelvin. Arrhenius parameters for the reaction of OH with CH4: -Pre-exponential factor: A= 2.45x10-12 cm3 molec-1 s-1 -Exponential factor: Ea/R = 1775 K

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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Calculate the rate of methane oxidation by OH (in units molecules cm-3 s-1) using
the k at T=298 and pressure = 1 atm = 2.4x1019 molecules cm-3. What type of
reaction is this? 

Assume:
[OH] = 1 x 106 molecule cm-3 at all altitudes
CH4 mixing ratio = 1.8 ppm (parts per million) = 1.8 umol mol-1 at all altitudes
Use the Arrhenius expression k=A e-(Ea/RT) where k is the rate constant, Ea is
activation energy, R is the gas constant (in appropriate units), and T is temperature in
Kelvin.
Arrhenius parameters for the reaction of OH with CH4:
-Pre-exponential factor: A= 2.45x10-12 cm3 molec-1 s-1
-Exponential factor: Ea/R = 1775 K 

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