2008•Journal of Hubei University of EducationRequires access

Synthesis of Samarium Nitrate with Alanine Complex and Standard Molar Formation Enthalpy of Its Ion

Wensheng Chen

Abstract

Complex of samarium nitrate with alanine has been prepared.The molar dissolution enthalpy of Sm(Ala)4(NO3)3·H2O(s) in water has been measured by isopribel calorimeter,and the standard molar formation enthalpy of Sm(Ala)43+(aq) has been calculated at 298.2K to beΔHf,θm,[ Sm(Ala)43+,aq,298.2K] = 2936.7 kJ·mol-.

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Key concepts: Samarium, Enthalpy, Chemistry, Enthalpy change of solution, Standard enthalpy of formation, Dissolution, Molar, Calorimeter (particle physics)