摘要
实验室一般用加热 KClO_3与 MnO_2混合物的方法制备氧气,并用排水取气法收集.得到的氧气为什么有“白烟”?本文用热力学方法分析了其原因。
Oxygen is prepared by means of heating mixor of KClO_3 and MnO_2 in the lehorary and collected in discharged water method.Why does oxygen obtained have white smoke?This article analyzes this reasons with the thermodynamics.
出处
《哈尔滨师范大学自然科学学报》
CAS
1992年第4期69-71,共3页
Natural Science Journal of Harbin Normal University
关键词
制备
氧气
氯酸钾
氧化锰
Preparation of oxygen
White smoke
Analyain by thermodynenics
