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A flash photolysis-resonance fluorescence study of the reaction of atomic hydrogen with molecular oxygen H + O2 + M → HO2 + M

✍ Scribed by W. Wong; D. D. Davis

Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
734 KB
Volume
6
Category
Article
ISSN
0538-8066

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✦ Synopsis

Using the technique of flash photolysis-resonance fluorescence, absolute rate constants have been measured for the reaction H + 0 2 + M 4 HOz + M over a temperature range of 220-360°K. Over this temperature range, the data could be fit to an Arrhenius expression of the following form:

The units for kAr are cm6/mole-s. At 300°K the relative efficiencies for the third-body gases Ar:He:H2:N2:CH4 were found to be 1.0:0.93:3.0:2.8:22.

Wide variations in the photoflash intensity at several temperatures demonstrated that the reported rate constants were measured in the absence of other complex chemical processes. * This research is part of a thesis to be submitted to the Faculty of the University of Maryland in partial fulfillment of the requirements for a master's degree in chemistry. no. 3, 1969. 4668 (1972).

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