Abstract
The combination of OH+NO+M at 295 °K was studied over the pressure range 25–770 torr of various third bodies M, using the flash photolysis resonance absorption technique. Absolute second order rate constants kII for the reaction were measured at various pressures of He, N2, SF6, CF4, and H2O, and at 720 torr of Ar. The data were treated by a simple two step Lindeman scheme. The limiting value of kII at high pressure, kII∞, was found to be kII=1.1×1013 cm3 mol−1⋅s−1. The efficiencies of the third bodies for collisional energy transfer, η, relative to the efficiency of H2O taken as one were calculated to be H2O=1, CF4=0.41, SF6=0.37, N2=0.12, Ar=0.05, and He=0.02.
References
20
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Dates
Type | When |
---|---|
Created | 22 years, 6 months ago (Feb. 27, 2003, 5:10 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 9:49 a.m.) |
Indexed | 2 months ago (June 26, 2025, 3:25 a.m.) |
Issued | 49 years, 3 months ago (May 15, 1976) |
Published | 49 years, 3 months ago (May 15, 1976) |
Published Print | 49 years, 3 months ago (May 15, 1976) |
@article{Overend_1976, title={Rates of OH radical reactions. II. The combination reaction OH+NO+M}, volume={64}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.431984}, DOI={10.1063/1.431984}, number={10}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Overend, Ralph and Paraskevopoulos, George and Black, Catherine}, year={1976}, month=may, pages={4149–4154} }