✦ LIBER ✦

Pressure and temperature dependence of the C2H3O + NO2 reaction

✍ Scribed by Katherine I. Barnhard; Alejandro Santiago; Min He; Federico Asmar; Brad R. Weiner

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 511 KB
Volume: 178
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(91)87049-h

No coin nor oath required. For personal study only.

✦ Synopsis

The temperature (295-374 K) and pressure (2.5-100 Torr) dependences for the rate constant of the C2H,0+N02 reaction have been measured by laser flash photolysis/laser-induced fluorescence kinetic spectroscopy. The temperature-dependent reaction for the decay of CZHsO in the presence of NO1 is characterized over the measured region by the rate expression k,, =

( 1.48 i 0.70) x 1 O-" exp( 80.7 & 23.4 K/T) cm' molecule-' s-'. This rate expression is found to be independent of pressure.

The results can be explained by a reaction mechanism involving the formation of an energized adduct which subsequently decomposes to products, most likelyketene and nitrous acid.

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