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在催比剂存在的条件下,氨跟氧气发生如下反应:按照教材的实验装置和方法演示,能较为明显地看到的现象是:铂丝继续保持红热,瓶中有白烟产生,但观察不到红棕色.经过对实验过程和发生的环境条件的分析,我们认为:反应在氨水液面上进行,反应器中存在大量的水蒸汽.另外,反应中亦有大量的水生成,在反应的条件下也成气相存在于反应体系内.一旦产物NO与反应器中过量的氧气反应:
In the presence of catalysts, ammonia reacts with oxygen in the following manner: According to the experimental device and method of the textbook, the phenomenon that can be more clearly seen is: platinum wire continues to maintain red heat, white smoke is produced in the bottle, but No red-brown color was observed. After analyzing the experimental process and the environmental conditions that occurred, we believe that the reaction is carried out on the surface of the ammonia water, and there is a large amount of water vapor in the reactor. In addition, a large amount of water is generated in the reaction. The reaction conditions also exist in the gas phase in the reaction system. Once the product NO reacts with excess oxygen in the reactor: