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对甲基苯胺与溴化铜配位反应的热化学研究
Studies on Thermochemistry of Coordination Reaction of p-Toluidine with Cupric Bromide
【摘要】 用新型的具有恒定温度环境的反应热量计 ,以溶解量热法及根据配位反应所设计的热化学循环 ,得到了配位反应的反应焓ΔrHθm=- 2 6 .5 6 7kJ·mol-1,并计算出了配合物Cu(p tol) 2 Br2 的标准生成焓 推荐其值为 :ΔfHθm(Cu(p tol) 2 Br2 ,s) =- 2 34.2 15kJ·mol-1
【Abstract】 The reaction enthalpy of coordination reaction of p toluidine with cupric bromide was determined to be Δ r H θ m=-26.567 kJ·mol -1 ,by solution calorimetry in a new model isoperibel reaction calorimeter.Based on the results obtained in this study and the literature values of enthalpy of formation for p toluidine and cupric bromide, the standard enthalpy of formation for Cu(p tol) 2Br 2 was determined to be Δ f H θ m(Cu(p tol) 2Br 2,s)=-234.215kJ·mol -1
【关键词】 配位反应;
热化学;
反应焓;
标准生成焓;
【Key words】 coordination reaction; thermochemistry; reaction enthalpy; standard enthalpy of formation;
【Key words】 coordination reaction; thermochemistry; reaction enthalpy; standard enthalpy of formation;
【基金】 湖北省自然科学基金资助项目! (98J0 6 2 )
- 【文献出处】 三峡大学学报(自然科学版) ,Journal of University of Hydraulic and Electric Engineering/yichang , 编辑部邮箱 ,2001年02期
- 【分类号】O642
- 【下载频次】86