Experimental determination of the equilibrium constant of the reaction CH 3  + O 2  ⇄ CH 3 O 2  during the gas‐phase oxidation of methane | Zendy

Khachatryan L. A. | Zendy; Niazyan O. M. | Zendy; Mantashyan A. A. | Zendy; Vedeneev V. I. | Zendy; Teitel'boim M. A. | Zendy

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Experimental determination of the equilibrium constant of the reaction CH 3 + O 2 ⇄ CH 3 O 2 during the gas‐phase oxidation of methane

Author(s) -

Khachatryan L. A.,

Niazyan O. M.,

Mantashyan A. A.,

Vedeneev V. I.,

Teitel'boim M. A.

Publication year - 1982

Publication title -

international journal of chemical kinetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 68

eISSN - 1097-4601

pISSN - 0538-8066

DOI - 10.1002/kin.550141107

Subject(s) - chemistry , methane , equilibrium constant , atmospheric temperature range , reaction rate constant , gas phase , analytical chemistry (journal) , thermodynamics , kinetics , organic chemistry , physics , quantum mechanics

For the experimental determination of the equilibrium constant of the reaction CH 3 + O 2 ⇄ CH 3 O 2 (1), the process of methane oxidation has been studied over the temperature range of 706–786 K. The concentration of CH 3 O 2 has been measured by the radical freezing method, and that of CH 3 from the rate of accumulation of ethane, assuming that C 2 H 6 is produced by the reaction CH 3 + CH 3 → C 2 H 6 (2). The equilibrium constant of reaction (1) has been obtained at four temperatures. For the heat of the reaction the value Δ ˚H 298 = ‐32.2 ± 1.5 kcal/mol is recommended.

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