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Temperature dependence of the reaction rate constants for O(3P) atoms with C2H4, C3H6 and NO(M = N2O), determined by a modulation technique

✍ Scribed by R. Atkinson; J.N. Pitts Jr.

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
330 KB
Volume
27
Category
Article
ISSN
0009-2614

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✦ Synopsis

Ra?e constants for the reaction of 0(3P) atoms with CaH4, CaHB and NO(M = NpO) have been measured over the temperature range 300-392Β°K using a modulation-phase shifi technique. The Arrhenius expressions obtained are: C2H4, k2 = 3.37 X 10' exp[-(1270 -f 200)/RT] liter mole-' see-', CJH~, kz = 2.08 x 10' exp[_(O f 300)/RT]liter mole-' set-', NOW = N*O), k, = 9.6 X 10' exp[(900 * 2OO)Pq liter' mole* set-' . These temperature dependencies of k2 are in good agreement with recent flash photolysis-resonance fluorescence measurements, although Iower than previous literature values.

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