Journal of the Chemical Society Faraday Transactions 1 Physical Chemistry in Condensed Phases · 1976 · 19 citations · 0 references
Natural SciencesChemical EngineeringChemistryChemical KineticsPhysical ChemistryReaction EngineeringChemical Kinetics ModelingChemical Reaction KineticsChemical ThermodynamicsGas-phase Reaction KineticsHydrogen AtomKinetic ModelingFast Flow KineticsHydrogen ChemistryPressure-dependent ReactionsRate ConstantsReaction Kinetics In Low TemperaturesTotal Pressure
The reaction of hydrogen atoms with ethylene in excess helium at a total pressure of 8 Torr (1 Torr = 133 N m–2) has been studied in a fast flow discharge system at five temperatures between 321 and 521 K. Mass spectrometric analysis of the reaction products has provided data, numerical analysis of which has given the temperature variation of the rate constants of the reactions H + C2H˙5 [graphic omitted] 2CH˙3, H + CH˙3+ M [grephic omitted] CH4+ M, log10(k3/dm3 mol–1 s–1)= 10.81 ± 0.05 –(223 ± 70)/4.5757(T/K), log10(k4/dm6 mol–2 s–1)= 13.84 ± 0.7–(0.33 ± 0.27) log10(T/K), for M = He.