P17D.5* Methane is a by-product of a number of natural processes (such as digestion of cellulose in ruminant animals, and anaerobic decomposition of organic waste matter), and industrial processes (such as food production and fossil fuel use). Reaction with the hydroxyl radical OH is the main path by which CH, is removed from the lower atmosphere. T. Gierczak et al. (J. Phys. Chem. A 101, 3125 (1997)) measured the rate constants for the elementary bimolecular gas-phase reaction of methane with the hydroxyl radical over a range of temperatures of importance to atmospheric chemistry. Deduce the Arrhenius parameters A and E, from the following measurements: T/K 295 223 218 213 206 200 195 kJ(10ʻdm'mol's) 3.55 0.494 0.452 0.379 0.295 0.241 0.217

P17D.5* Methane is a by-product of a number of natural processes (such as digestion of cellulose in ruminant animals, and anaerobic decomposition of organic waste matter), and industrial processes (such as food production and fossil fuel use). Reaction with the hydroxyl radical OH is the main path by which CH, is removed from the lower atmosphere. T. Gierczak et al. (J. Phys. Chem. A 101, 3125 (1997)) measured the rate constants for the elementary bimolecular gas-phase reaction of methane with the hydroxyl radical over a range of temperatures of importance to atmospheric chemistry. Deduce the Arrhenius parameters A and E, from the following measurements: T/K 295 223 218 213 206 200 195 kJ(10ʻdm'mol's) 3.55 0.494 0.452 0.379 0.295 0.241 0.217

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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Question

P17D.5* Methane is a by-product of a number of natural processes (such as
digestion of cellulose in ruminant animals, and anaerobic decomposition of
organic waste matter), and industrial processes (such as food production and
fossil fuel use). Reaction with the hydroxyl radical OH is the main path by
which CH, is removed from the lower atmosphere. T. Gierczak et al. (J. Phys.
Chem. A 101, 3125 (1997)) measured the rate constants for the elementary
bimolecular gas-phase reaction of methane with the hydroxyl radical over a
range of temperatures of importance to atmospheric chemistry. Deduce the
Arrhenius parameters A and E, from the following measurements:
T/K
295
223
218
213
206
200
195
kJ(10ʻdm'mol's)
3.55
0.494 0.452
0.379 0.295 0.241
0.217

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