The reaction of hydrogen chloride with nitrogen oxide in shock waves.

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概要

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• The reaction of hydrogen chloride with nitrogen oxide in the temperature range 2670–3850 K and in the pressure range 2.5–3.5 atm has been studied behind reflected shock waves by monitoring the IR emission of HCl. When nitrogen oxide was added to the HCl–Ar system, the rate of HCl dissociation was found to be accelerated. For the early stage of reaction, the rate equation obtained was –d[HCl]/d<I>t</I>=10<SUP>11.7</SUP>exp (−33 kcal/<I>RT</I>)[HCl]<SUP>1.3</SUP>[NO]<SUP>0.5</SUP> mol cm<SUP>−3</SUP> s<SUP>−1</SUP>. As the initiation step, Reaction 1 was found to be more important than Reaction 2 under these experimental conditions:<BR>HCl+NO→HNO+Cl, (1)<BR>HCl+Ar→H+Cl+Ar. (2)<BR>The rate constant of Reaction 1 was determined to be <I>k</I><SUB>1</SUB>=10<SUP>13.2</SUP>exp (−50.2 kcal/<I>RT</I>) cm<SUP>3</SUP> mol<SUP>−1</SUP> s<SUP>−1</SUP>.

• 公益社団法人 日本化学会の論文

著者

• Saito Ko

  Department Of Chemistry Graduate School Of Science Hiroshima University

• Higashihara Tetsuo

  Department of Chemistry, Faculty of Science, Hiroshima University

• Murakami Ichiro

  Department of Chemistry, Faculty of Science, Hiroshima University

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