Abstract
The reaction of nuclear recoil generated chlorine atoms with hydrogen to produce hydrogen chloride was studied in the presence of ethylene and iodine scavengers. The yield behavior is presented for this reaction over a relative average translational energy range extending from a lower limit of approximately 0.16 eV determined by the thermal scavenging efficiency of the system to several tens of electron volts. The hydrogen isotope effect for H/sub 2/ and D/sub 2/ reactants is explored over this same energy range and found to exhibit a cross over from a normal value of 2.3 to an inverse effect of 0.8 as the average reaction energy is increased. The relative kinetic behavior of the isotopic systems is interpreted in terms of a steady state non-Boltzmann formalism and comparison is made with reported results for corresponding fluorine atom reactions.
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