810.2 Mechanism assumption and Approximate treatment Example 第29卷第6期 大学化学 Vol 29 No, 6 2014年12月 NIVERSITY CHEMISTRY Yin,p.383,Ex.12 唉说 For oxidation of NO( termolecular -afe no氧化反应速率常数与温度负相关原因的讨论 王家成张树永” reaction), the possible mechanism was (山东大学化学与化工学院山东济南250100 proposed as 采用速率控制步骤近似和平衡近似原理2 2NO、A2N,O, 可以导出其速率方程: k d No h:, N202+02->2NO2 da 2"[NO]2O2] Please deduce the rate equation using如果采用稳态近似方法处理式(5) steady-state approximation pl re- 可以得到如下速率方程6 equilibrium approximation and discus the applicability of these two approximations d NO, k,[O2I[NO2 +k2[O2Example: §10.2 Mechanism assumption and Approximate treatment Yin, p. 383, Ex. 12 2 2 2 2 2 2 2 2NO 2N O N O O 2NO k k k + − + ⎯⎯→ Please deduce the rate equation using steady-state approximation or pre￾equilibrium approximation and discus the applicability of these two approximations. For oxidation of NO (termolecular reaction), the possible mechanism was proposed as: