Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics p. 709 - 726 (1989)
Update date:2022-07-30
Topics:
Canosa-Mas, Carlos E.
Smith, Stuart J.
Toby, Sidney
Wayne, Richard P.
Arrhenius parameters have been measured over the temperature range 298-523 K for the hydrogen abstraction reactions of NO3 with CH3OH, CHCl3 and HCl. A rate constant was determined at room temperature for the reaction of NO3 with HBr. Kinetic data were obtained by the discharge-flow technique operating at total pressures between 1.8 and 5.2 mmHg. The rate expression derived for the interactions with CH3OH, CHCl3 and HCl are 1.2 x 10-12 exp (-2560/T), 8.6 x 10-13 exp (-2815/T), and 4.0 x 10-12 exp (-3330/T) cm3 molecule-1 s-1. For the reaction of NO3 with HBr, the rate constant is 1.3 x 10-16 cm3 molecule-1 s-1 at 298 K. The hydrogen-abstraction reactions of NO3 are compared with those of O(3P) and OH.
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