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Reaction rates for O3 + HCl yielding O + O2 + HCl, Cl + O3 yielding ClO + O2, and HCl + O yielding OH + Cl at elevated temperaturesOzone and a much greater quantity of hydrogen chloride, slightly diluted by oxygen and argon, were heated by a shock wave process to temperatures in the range 480-1300 K at pressures from four to eight atmospheres. From variations in ozone concentration, determined by the attentuation of 2537-A radiation, the rate coefficient for the reaction O3 + HCl yielding O + O2 + HCl was determined to be k1 = (4.0 plus or minus 1.5) x 10 to the minus 10 exp(-10,408/T)cm3/s for temperatures of 480-720 K. From the concentration of ClO remaining at the end of ozone decomposition the rate coefficients for the reactions Cl + O3 yielding ClO + O2 and HCl + O yielding OH + Cl were also deduced for a temperature of about 1100 K.
Document ID
19770046873
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Park, C.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
March 24, 1977
Publication Information
Publication: Journal of Physical Chemistry
Volume: 81
Subject Category
Inorganic And Physical Chemistry
Accession Number
77A29725
Distribution Limits
Public
Copyright
Other

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