The gas-phase reaction of the NOa radical with NO, was investigated, using a flash photolysis-visible absorption technique, over the total pressure range 25-400 Torr of nitrogen or oxygen diluent a t 298 2 2 K. The absolute rate constants determined (in units of em3 molecule-' s-') a t 25, 100, and
Infrared studies of the diatomic molecules O2, N2, NO and H2 adsorbed on Fe2O3
β Scribed by V. Lorenzelli; G. Busca; N. Sheppard; F. Al-Mashta
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 276 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0022-2860
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π SIMILAR VOLUMES
The equilibrium constant, K,, of the reaction NO2 + NO3 + M N z O ~ + M has been determined for a small range of temperatures around room temperature in air at 740 torr by direct spectroscopical measurements of NOz, NOS, and NzOs. At 298 K, K, was determined as (3.73 2 0.61) x lo-'' cm3 molecule-'.
lL11c coefficrents for coll1s1on~1 removal of Ott D) by SLY atnlosplrertc gases have been measured by momtormg the appearance of O(3P) followng photolvtlc productlon of O(' D) The measured values, x"hI 2 SJ, m units of IO-" cm3 molccule-' s-l arc k-0, = ?? 8 5 :! 3, k~~ = 2 52 ? 0.25, k-co, = 10 4 +
N2O decay has been monitored via infrared emission for a series of mixtures containing N20/Ar and N20/H2/Ar. These mixtures were studied behind reflected shock waves in the temperature interval of 1950-3075' K with total concentrations ranging from 1.2 to 2.5 X 1OI8 molec/cm3. In all cases the N2O d