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  Experimental and modeling study of the temperature and pressure dependence of the reaction C2H5 + O2 (+ M) → C2H5O2 (+ M).

Fernandes, R. X., Luther, K., Marowsky, G., Rissanen, R. P., Timonen, R., & Troe, J. (2015). Experimental and modeling study of the temperature and pressure dependence of the reaction C2H5 + O2 (+ M) → C2H5O2 (+ M). Journal of Physyical Chemistry A, 119(28), 7263-7269. doi:10.1021/jp511672v.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-76DE-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-76E7-2
Genre: Journal Article

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2348325.pdf (Publisher version), 648KB
 
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Fernandes, R. X., Author
Luther, K., Author
Marowsky, G., Author
Rissanen, R. P., Author
Timonen, R., Author
Troe, J.1, Author              
Affiliations:
1Emeritus Group of Spectroscopy and Photochemical Kinetics, MPI for Biophysical Chemistry, Max Planck Society, ou_578625              

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 Abstract: The reaction C2H5 + O2 (+ M) → C2H5O2 (+ M) was studied at 298 K at pressures of the bath gas M = Ar between 100 and 1000 bar. The transition from the falloff curve of an energy transfer mechanism to a high pressure range with contributions from the radical complex mechanism was observed. Further experiments were done between 188 and 298 K in the bath gas M = He at pressures in the range 0.7-2.0 Torr. The available data are analyzed in terms of unimolecular rate theory. An improved analytical representation of the temperature and pressure dependence of the rate constant is given for conditions where the chemical activation process C2H5 + O2 (+ M) → C2H4 + HO2 (+ M) is only of minor importance.

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Language(s): eng - English
 Dates: 2015-01-222015
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1021/jp511672v
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Title: Journal of Physyical Chemistry A
Source Genre: Journal
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Pages: - Volume / Issue: 119 (28) Sequence Number: - Start / End Page: 7263 - 7269 Identifier: -