Abstract
The reaction rate of hydrated electrons, (e −) aq, with N 2O can be fitted with an Arrhenius-type temperature dependence up to 300 °C with an activation energy of 15.5 kJ/mol. At higher temperatures, the rate constant decreases to give a local minimum at 380 °C. Ab initio calculations of the N 2O − anion suggest a possible dissociation path of N 2O − in water. The calculated free energies for electron transfer suggest the (e −) aq reaction with N 2O should fall on the ‘normal’ part of the Marcus parabola, and for this reason the reaction is not diffusion limited.
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