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Rate constants for the reactions of C2H5O, i-C3H7O, and n-C3H7O with NO and O2 as a function of temperature

โœ Scribed by C. Fittschen; A. Frenzel; K. Imrik; P. Devolder

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
108 KB
Volume
31
Category
Article
ISSN
0538-8066

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โœฆ Synopsis

The rate constants of the reactions of ethoxy (C 2 H 5 O), i-propoxy (i-C 3 H 7 O) and npropoxy (n-C 3 H 7 O) radicals with O 2 and NO have been measured as a function of temperature. Radicals have been generated by laser photolysis from the appropriate alkyl nitrite and have been detected by laser-induced fluorescence. The following Arrhenius expressions have been determined:

  1. ฯซ 10 exp(2.9 ฯฎ 0.4 kJmol /RT) cm s 6 3 7 6 289K ฯฝ T ฯฝ 380K p ฯญ 30-100 Torr All reactions have been found independent of total pressure between 30 and 500 Torr within the experimental error.

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