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Cs2ZnCl4标准生成焓
STANDARD ENTHALPY OF FORMATION OF Cs2ZnCl4
【摘要】 用新型的具有恒定温度环境的反应热量计,以0.03mol·L-1H2SO4溶液力量热溶剂,分别测定了[2CsCl(s)+ZnCl2(s)]和Cs2ZnCl4(s)的溶解烙、设计了一个热化学循环,求出了Cs2ZnCl4的标准生成焓,推荐其值为:
【Abstract】 In this paper,the standard enthalpy of formation of Cs2ZnCI4 was determined by a new model isoperibel reaction calorimeter.The calorimetric solvent is an acid solution consisting of 0. 03 mol. L-1 H2SO4, a thermochemical cycle was designed to determine the enthalpy. According to the result obtained, (Cs2ZnCl4, 298. 2 K) =- 1340. 46 kJ·mol-1 was recommended.
【关键词】 Cs_2ZnCl_4;
标准生成焓;
热化学;
【Key words】 Cs2ZnCl4; standard enthalpy of formation; thermochemistry;
【Key words】 Cs2ZnCl4; standard enthalpy of formation; thermochemistry;
【基金】 国家自然科学基金
- 【文献出处】 武汉大学学报(自然科学版) ,WUHAN UNIVERSITY JOURNAL(NATURAL SCIENCE EDITION) , 编辑部邮箱 ,1995年02期
- 【分类号】O642.11
- 【下载频次】38