Experimental Measurement of the Rate of the Reaction O(3P) + H2(v = 0) yields OH(v = 0) + H at T = 296 K.
Abstract
Measurement of the rate of the reaction O(3P) + H2(v = 0) yields OH(v = 0) + H is reported. The result is based on data for the absolute density of OH(V = 0) obtained from laser-induced fluorescence measurements in the (0-0) band of the OH system. The densities of oxygen and nitrogen atoms were varied by changing the density of NO which is consumed in the reaction: N + NO yields O + Nw. It was found that K(1) (296 K) = (5.5 + or - 2.9)(million), cc/mole-sec. It was found that the addition of N2 or CO2 effectively suppressed the excitation of H2(v = 1). Measurements of the density of H2(v = 1) were made by VUV absorption in the Lyman band system of H2. All of the reports of low temperature measurements and some recent theoretical calculations for k(1) are discussed. The present result confirms and extends the growing evidence for significant curvature in the low temperature end of an Arrhenius plot of k(1)(T).
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 14, 1978
- Accession Number
- ADA059447
Entities
People
- Glenn C. Light
Organizations
- The Aerospace Corporation