✦ LIBER ✦

Temperature dependence of rate constants for the reaction of atomic oxygen with hydrogen chloride

✍ Scribed by Donald L. Singleton; R. J. Cvetanovi

Publisher: John Wiley and Sons
Year: 1981
Tongue: English
Weight: 578 KB
Volume: 13
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550130916

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A phase‐shift method has been used to determine the rate constant for the reaction of ground state oxygen atoms with HCl over the temperature range of 330–600 K. Oxygen atoms were generated by modulated mercury photosensitized decomposition of N~2~O, and monitored by the chemiluminescence from their reaction with NO. After correction for diffusion of oxygen atoms from the viewing zone, the rate constants can be represented by the Arrhenius equation k~1~ = (3.06 ± 1.43) × 10^12^ exp[(−3160 ± 184)/T] cm^3^/mol·s. The indicated uncertainties are 95% confidence limits for 15 degrees of freedom. Also, the third‐body efficiency of HCl relative to N~2~O in the reaction O + NO + M ← NO~2~ + M was determined to be 1.9 ± 0.2 over the temperature range of 298–360 K.

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