氨基甲酸铵分解平衡实验教学研究  

Experimental teaching research for decomposition equilibrium of ammonium carbamate

作　　者：杨晓梅[1] 周利鹏[1] YANG Xiaomei;ZHOU Lipeng(College of Chemistry,Zhengzhou University,Zhengzhou 450001,China)

机构地区：[1]郑州大学化学学院,河南郑州450001

出　　处：《实验室科学》2023年第4期31-34,共4页Laboratory Science

基　　金：河南省高等学校青年骨干教师培养计划项目(项目编号:2019GGJS015)。

摘　　要：“氨基甲酸铵分解平衡实验”是物理化学实验中关于化学平衡的一个经典实验,该实验有利于学生加深对化学平衡的理解、掌握物理法测定化学平衡常数及巩固化学平衡常数与热力学函数之间的关系。为了提高实验教学质量,改善实验教学效果,对该实验中学生疑惑及易出错的地方,给出了解释及优化方法。采用优化的实验方案用时更少,测得的实验结果准确度高,有效提高了教学效果。Decomposition equilibrium of ammonium carbamate is a classical experiment of physicochemical experiments relating to chemical equilibrium.It will help students understand deeply chemical equilibrium,master the measurement of chemical equilibrium constant by physical method,and consolidate the relationship of chemical equilibrium constant and thermodynamic functions.In order to improve the teaching quality and experimental teaching effects,the points puzzling students and easy to make mistakes were explained and optimized.Adopting the optimized experiment procedure,more accurate results were obtained and experiment time was saved.Thus,the teaching effects were improved.

关 键 词：平衡常数 氨基甲酸铵 分解压 

分 类 号：G642.0[文化科学—高等教育学]