Receiicd IS Jo;> 1979 r\fe33uremcnrs of the rates of the re;ftLlfln, HO1 -NO2 = H202 + 02 fff, by laser magnertc resommce spectroscopy at 298-5 Iye iielded the follotring uhy;fXSfor ficlium\_zx\_rers at ~nrious toss1 prnntres: (2.9 f 1.2) X tOei aa3 z~IOfecde 5 3c 2 Torr, t-1.3 : I.81 X LO cm moIccu
The rate of the reaction between H and HO2
โ Scribed by B.A. Thrush; J.P.T. Wilkinson
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 268 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
โฆ Synopsis
The rate coeffkent of the H + HOz react1011 has been determmed as (5.0 r 1.3) X lo-" cm3 molecule-' S-I at 298 K by the use of laser magnetx resonance spectroscopy to determine the steady-state concentration of HO2 radicals in the reaction of atomic hydrogen wth molecular oxygen.
๐ SIMILAR VOLUMES
HO2 profiles in the thermal decomposition of H,02 in shock waves over the range 1000-1250 K were analyzed with respect to the reactions HO+HZOz+HOz+H20 (3) and HO+H0r~Hz0+02 (4). Reaction (3) shows a strong up-turn ofthe rate constant at temperatures near 800 K. Over the range 250-1250 K, k, can be
The high-temperature oxidation of formaldehyde in the presence of carbon monoxide was investigated to determine the rate constant of the reaction HOZ + CO = CO:! + OH (10). In the temperature range of 878-952ยฐK from the initial parts of the kinetic curves of the HOz radicals and CO, accumulation at
The rate-coefficients for the reactions HO2 + NO = HO + NO\* (1) and HO\* + HO = Hz0 + 0, (2) have been remeasured by laser magnetic resonance using an improved experimental arrangement. Values of kl = (6-9 f 0.6) X lO-12 cm3 molecule-' s-l and k2 = (5.8 -c 09) X 10-l cm3 molecule-' s-' (one standar
Relative rate measurements of the reactions of the HO-radical with CO [HO + CO -+ H + COa (1) ] and with isobutane [HO f iso-C4H10 -t Hz0 f f-(or iso-)CaHg ( 3)J have been made through the photolysis of dilute mixtures of HONO with CO, ixo-Cd H ro, N0a, and NO in simulated air at 700 and 100 torr pr