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Verdampfungsverhalten von Lanthantrihalogeniden

机译:三卤化镧的蒸发行为

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摘要

The evaporation of LaCl_3, LaBr_3 and laI_3 was investigated in closed tubes under argon atmosphere and correlated with data in the literature. The enthalpies and entropies of evaporation were derived from the temperature functions of pressure: #DELTA#H deg (v, LaCl_3, T) = 48, 5+-2 kcal/mol, #DELTA#S deg (v, LaCl_3, T) = 22, 0 +- 3 cal/K centre dot mol #DELTA#H deg (v, LaBr_3, T) = 48, 0+-2 kcal/mol, #DELTA#S deg (v, LaBr_3, T) = 24, 0 +- 2 cal/K centre dot mol #DELTA#H deg (v, LaI_3, T) = 49, 5+-2 kcal/mol, #DELTA#S deg (v, LaI_3, T) = 29, 0 +- 2 cal/K centre dot mol
机译:在氩气气氛下,在密闭管中研究了LaCl_3,LaBr_3和laI_3的蒸发,并与文献中的数据相关。蒸发的焓和熵从压力的温度函数得出:#DELTA#H deg(v,LaCl_3,T)= 48,5 + -2 kcal / mol,#DELTA#S deg(v,LaCl_3,T) = 22,0 +-3 cal / K中心点摩尔#DELTA#H deg(v,LaBr_3,T)= 48,0 + -2 kcal / mol,#DELTA#S deg(v,LaBr_3,T)= 24 ,0 +-2 cal / K中心点mol#DELTA#H deg(v,LaI_3,T)= 49,5 + -2 kcal / mol,#DELTA#S deg(v,LaI_3,T)= 29,0 +-2 cal / K中心点摩尔

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