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Kinetics of the reaction of OH with pernitric and nitric acids

✍ Scribed by C. A. Smith; L. T. Molina; J. J. Lamb; M. J. Molina

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
642 KB
Volume
16
Category
Article
ISSN
0538-8066

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✦ Synopsis

The absolute rate constants for the reactions of ON + H02N02 (1) and OH + HNO:( (2) have been measured with the technique of flash photolysis resonance fluorescence over the temperature ranges of 240-330 K a t 760 torr He for reaction (1) and of 240-370 K a t 50 and 760 torr He for reaction (2). Reactant concentrations were monitored continuously by ultraviolet and infrared spectrophotometry. The data can be fitted to the following Arrhenius expressions:

  1. X exp((650 f 30)/T]cm:'/molecule . s exp[(850 * 40)/T]~m:~/moIecule~ s These results are in very good agreement with recent studies of reaction (21, and also of reaction (1) a t 295 K.

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