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Relative Rates of Some Very Rapid Gaseous Bimolecular Reactions

Daen, Jerome and Marcus, R. A. (1957) Relative Rates of Some Very Rapid Gaseous Bimolecular Reactions. Journal of Chemical Physics, 26 (1). pp. 162-168. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:DAEjcp57

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Abstract

The present paper describes a steady-state flow apparatus which permits the measurement of relative rates of rapid gas phase bimolecular association reactions at very low pressures. Using this apparatus, the relative reactivities of the methylamines with boron trifluoride were determined over the pressure range 0.009 to 0.04 mm Hg. Within the experimental error the ratio of rate constants, kCH3NH2/k(CH3)3N, was found to be pressure independent and to have a value of 1/12. A small number of experiments was made competing monomethylamine and dimethylamine for BF3; for this system the ratio of rate constants, kCH3NH2/k(CH3)2NH had an average value of 1/5. In addition to the above, experiments were made on various phenomena such as the sorption of BF3 on various surfaces, the selectivity of a diffusion pump, and the extent of base exchange reactions, insofar as these factors pertained to the understanding of the relative rate measurements.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1743243DOIUNSPECIFIED
http://link.aip.org/link/?JCPSA6/26/162/1PublisherUNSPECIFIED
Additional Information:Copyright © 1957 American Institute of Physics. Received March 26, 1956. This research is abstracted from a thesis submitted by Jerome Daen to the Graduate Faculty of the Polytechnic Institute of Brooklyn in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Chemistry, June, 1955. A portion of this research was supported by the Office of Naval Research, Contract Nonr 839(09). [J.D. was a] Du Pont Predoctoral Fellow: 1952-1953.
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Funding AgencyGrant Number
Office of Naval ResearchNonr 839(09).
Du Pont Predoctoral FellowUNSPECIFIED
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Deposited On:27 Jul 2008 06:49
Last Modified:26 Dec 2012 10:11

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