Relative rate constants for the gas-phase reactions of C1-atom with thirteen atmospherically interesting alkanes ( c 2 -C ~) have been determined at 296 i-2 K based on GC/FID measurements of their relative decays in the UV (A 2 300 nm) photolysis of mixtures containing Cl2 and the entire series of t
Rate constants for the deactivation of thermal (T = 300 k) H2 molecules by hydrogen atoms
✍ Scribed by E. Garcia; A. Laganà
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 526 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Detailed rate constants of the H + H,( (1 < 10) reaction have been calculated with the aim of investigating the efficiency of deactivation processes and their dependence upon the vlbrational excitation of the hydrogen molecule.
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Rate constants for the vibrational deactivation of 12C1b by Hz, Dz and 'He have been determined by laser-induced fluorescence in the gas phase at low temperatures. The rate constants for 12C160( u= 1 )-H2 and '\*C?O( u= 1 )-D2 have been measured down to 35 K and those for '\*C%(o= 1 )-'He have been
Rate constants have been measured for \*he vibrational deactivation of the 15 pm band of CO2 in the temperature range 300 te 150 K by the calktson partners CH3F. CO2, N2, Ar and Kr. The CO2 was ~~mtion~y excited by (VV) transfer from C&r whtch had been pumped with a CO2 laser and Its deactivatton mo
Constants of the rawions of Cl with HIOz. IX&, 03, CH4, and HNC)J wertt mezxured at 295 K using a flaw discharge-mass spectrometric method. The rate consmts are, WpectiveIy, (6.2 ?c I.51 X 10qzS, (32&) x 10"tl, (1.3 -+. 0.3) X lo-'t, (1.2 ?t 0.3) X 10-13, and (6.8 t 3.4) X lO-is cm3/s.