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The rate constant of the reaction HO 2 + COCO 2 + OH
Author(s) -
Vardanyan I. A.,
Sachyan G. A.,
Nalbandyan A. B.
Publication year - 1975
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550070104
Subject(s) - carbon monoxide , chemistry , formaldehyde , reaction rate constant , radical , atmospheric temperature range , kinetic energy , constant (computer programming) , reaction rate , inorganic chemistry , analytical chemistry (journal) , thermodynamics , kinetics , organic chemistry , catalysis , physics , quantum mechanics , computer science , programming language
The high‐temperature oxidation of formaldehyde in the presence of carbon monoxide was investigated to determine the rate constant of the reaction HO 2 + CO CO 2 + OH (10). In the temperature range of 878–952°K from the initial parts of the kinetic curves of the HO 2 radicals and CO 2 accumulation at small extents of the reaction, when the quantity of the reacted formaldehyde does not exceed 10%, it was determined that the rate constant k 10 is\documentclass{article}\pagestyle{empty}\begin{document}$$ k_{10} = (1.7 \pm 0.5) \times 10^{ - 10} \exp [ - (23,000 \pm 3000/RT)]\,{\rm cm}^{\rm 3} /{\rm molec}{\rm.sec} $$\end{document}A computer program was used to solve the system of differential equations which correspond to the high‐temperature oxidation of formaldehyde in the presence of carbon monoxide. The computation confirmed the experimental results. Also discussed are existing experimental data related to the reaction of HO 2 with CO.