Other
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986georl..13.1395a&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 13, Dec. 1986, p. 1395-1398. Research supported by the Chemical Manufacturer
Other
11
Association Reactions, Atmospheric Chemistry, Molecular Gases, Reaction Kinetics, Sodium Compounds, Carbon Dioxide, Oxygen, Ozone
Scientific paper
The discovery of a new type of reaction for atmospheric Na species is reported, and it is proposed that this type of reaction will dominate its chemistry. The third-order rate constants for NaO + O2 + M and NaO + CO2 + M were measured at 297 K in a flow-tube study. The rate constants for NaO + O2, with He, N2, and N2O as third bodies are (1.3 + or - 0.8), (3.5 + or - 0.7), and (11 + or - 4) x 10 to the -30th cm exp 6/mole. The rate constants for NaO + CO2 with N2 and N2O as third bodies are (8.7 + or - 2.6) and (12 + or - 5) x 10 to the -28th cm exp 6/molecule sq sec. It is shown that these association reactions, and others like them, will produce Na compounds that are likely to render Na species inactive in stratospheric ozone chemistry. The reactivities of NaO, NaO2, NaO3, and NaCO3 with O atoms were also tested.
Ager Joel W. III
Howard Carleton J.
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