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Kinetics of the reaction O(3P) + SO2 + M → SO3 + M over the temperature range of 299°–440°K

✍ Scribed by R. Atkinson; J. N. Pitts Jr.

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
480 KB
Volume
10
Category
Article
ISSN
0538-8066

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✦ Synopsis

Kate constants for the reaction O(3P) + SO2 + M have been determined over the temperature range of 299"-440"K, using a flash photolysis-NO2 chemiluminescence technique. For M=Ar, the Arrhenius expression k2Ar = 3.1 X 10-32e-'2005*3")'RT cm6/molec2 ~ sec was obtained. A t room temperature kqAr = (1.05 f 0.21) X cm6/molec2. sec. In addition, the rate constants K z N 2 = (1.37 f 0.27) X cm6/molec2. sec, kzSo2 = (9.5 f 3.0) x cm6/molec2. sec, and k3s02 = (2.6 f 0.9)

X lo-,' cm6/molec2sec were obtained at room temperature where k3M is the rate constant for the reaction 0 + NO + M -NO:! + M. The rate data are compared and discussed with literature values. cm6/molec2. sec, k g N z = (1.1 f 0.2) X

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