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High-temperature measurements of the rate coefficient of the H + CO2 → CO + OH reaction

✍ Scribed by V. Lissianski; H. Yang; Z. Qin; M.R. Mueller; K.S. Shin; W.C. Gardiner Jr.

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
412 KB
Volume
240
Category
Article
ISSN
0009-2614

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✦ Synopsis

The rate coefficient of the reaction H + CO z ~ CO + OH (1) was measured using OH concentration measurements in shock-heated N20-H2-CO 2 mixtures and through the inhibiting effect of CO 2 on methane ignition. For 2170 < T < 3150 K the two methods give concordant results and imply k I = 2.0 × 1014exp(-13500/T) cm 3 mol -l s -1. Using the equilibrium constant together with this and other recent measurements, the rate coefficient of the reverse reaction was found to be well described by k_ j = 3.3 × 10 6 T 155 exp(402/T) cm 3 mol-1 s-1 for the temperature range 300-3150 K.

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