RATE CONSTANTS OF THE REACTION HO+H2O2-]HO2+H2O AT T-GREATER-THAN-OR-EQUAL-TO-1000-K

被引：50
|
作者：
HIPPLER, H
TROE, J
机构：
[1] Institut für Physikalische Chemie, Universität Göttingen, W-3400 Göttingen
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 192卷 / 04期
关键词：
D O I：
10.1016/0009-2614(92)85478-S
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
HO2 profiles in the thermal decomposition of H2O2 in shock waves over the range 1000-1250 K were analyzed with respect to the reactions HO + H2O2 --> HO2 + H2O (3) and HO + HO2 --> H2O + O2 (4). Reaction (3) shows a strong up-turn of the rate constant at temperatures near 800 K. Over the range 250-1250 K, k3 can be represented as k3 = [1.0 X 10(12) + 5.8 X 10(14) exp(-4810 K/T)] cm3 mol-1 s-1. The "anomalous" temperature dependence suggests a mechanism involving an H3O3 intermediate complex.
引用
收藏
页码：333 / 337
页数：5
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