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AbstractAbstract
[en] The reaction of hydrogen atoms resp. deuterium atoms with ketene yields predominantly CH3 radicals and CO. The associated rate coefficient can be expressed by k3 = (6.0 +- 2.2) x 10-12 exp [-(2,340 +- 200)cal/mol x RT]cm3/molecule x sec. Acetyl radicals resulting from the reaction of hydrogen atoms with acetaldehyde react with H atoms to produce ketene and molecular hydrogen with 63 percent yield; a second reaction channel produces CH3 and HCO radicals with 37 percent yield. (orig./HK)
[de]
Die Reaktion von Wasserstoffatomen bzw. von Deuteriumatomen mit Keten ergibt ueberwiegend CH3-Radikale und CO. Der zugehoerige Geschwindigkeitskoeffizient laesst sich darstellen durch k3 = (6,0 +- 2,2) x 10-12 exp [-(2.340 +- 200)cal/mol x RT]cm3/Molekuel x sec. Acetyl-Radikale, die bei der Reaktion von Wasserstoffatomen mit Acetyldehyd gebildet werden, reagieren mit H-Atomen zu 63% unter Bildung von Keten und molekularem Wasserstoff; ein zweiter Reaktionsweg bildet CH3- und HCO-Radikale mit 37% Ausbeute. (orig.)Primary Subject
Secondary Subject
Source
4 figs.; 1 tab.; 16 refs.
Record Type
Journal Article
Journal
Berichte der Bunsengesellschaft fuer Physikalische Chemie; v. 79(2); p. 152-156
Country of publication
ALDEHYDES, ALKYL RADICALS, CARBON COMPOUNDS, CARBON OXIDES, CHALCOGENIDES, CHEMICAL REACTIONS, DECOMPOSITION, ELEMENTS, HYDROGEN ISOTOPES, IONIZATION, ISOTOPES, KINETICS, LIGHT NUCLEI, NONMETALS, NUCLEI, ODD-ODD NUCLEI, ORGANIC COMPOUNDS, ORGANIC OXYGEN COMPOUNDS, OXIDES, OXYGEN COMPOUNDS, RADICALS, REACTION KINETICS, SPECTRA, STABLE ISOTOPES
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