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The Kinetics of the Rapid Gas Reaction between Ozone and Nitrogen Dioxide

Johnston, Harold S. and Yost, Don M. (1949) The Kinetics of the Rapid Gas Reaction between Ozone and Nitrogen Dioxide. Journal of Chemical Physics, 17 (4). pp. 386-392. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:JOHjcp49

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Abstract

An apparatus has been designed and constructed which will rapidly mix two gaseous reactants, isolate them in a reaction cell, and, by means of light absorption, follow the course of the reaction photoelectrically in one-tenth of a second or less. The output of the photoelectric tube is recorded by a time-exposure photograph of the screen of an oscilloscope.The kinetics of the fast reaction between ozone and nitrogen dioxide was studied over a tenfold range of concentration of each reactant. The rate law was found to be [dformula -d(O[sub 3])/dt [equals sign] k(NO[sub 2])(O[sub 3])] over the entire course of the reaction. From the temperature coefficient of the rate of reaction the energy of activation was found to be 7.0±0.6 kilo-calories per mole. A mechanism is proposed to account for the observations.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1747264DOIUNSPECIFIED
http://link.aip.org/link/?JCPSA6/17/386/1PublisherUNSPECIFIED
Additional Information:Copyright © 1949 American Institute of Physics. Received September 7, 1948. We wish to express here our sincere appreciation for the many constructive discussions with Doctor Oliver Wulf and Professors R.M. Badger and James H. Sturdevant. We are also deeply grateful to the Research Corporation for a grant in aid of this research. Gates and Crellin Laboratories of Chemistry, Contribution No. 1242.
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Gates and Crellin Laboratories of Chemistry1242
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ID Code:11386
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Deposited On:11 Aug 2008 21:32
Last Modified:26 Dec 2012 10:13

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