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2009•Journal of Hubei University of EducationRequires access

Calorimetry Study of the Standard Formation Enthalpy of Dysprosium Nitrate With Alanine Complex Ion

Wenkai Chen

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Abstract

There isn't any research about standard molar formation of Erbium nitrate with alanine complex ion.In this paper,complex of Erbium nitrate with alanine has been prepared.The molar dissolution enthalpy of Er(Ala)4(NO3)3·H2O(s) in water has been measured by isopribel calorimeter at 298.2K to beΔsHm,θ= 7.346±0.17 kJ·mol-1,and the standard molar formation enthalpy of Er(Ala)3+4(aq) has been calculated at 298.2K to beΔHθf,m[Er(Ala)3+4,aq,298.2K] =-2910.02 kJ·mol-.

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What this paper is about

There isn't any research about standard molar formation of Erbium nitrate with alanine complex ion.In this paper,complex of Erbium nitrate with alanine has been prepared.The molar dissolution enthalpy of Er(Ala)4(NO3)3·H2O(s) in water has been measured by isopribel calorimeter at 298.2K to beΔsHm,θ= 7.346±0.17 kJ·mol-1,and the standard molar formation enthalpy of Er(Ala)3+4(aq) has been calculated at 298.2K to beΔHθf,m[Er(Ala)3+4,aq,298.2K] =-2910.02 kJ·mol-.

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Available abstract

There isn't any research about standard molar formation of Erbium nitrate with alanine complex ion.In this paper,complex of Erbium nitrate with alanine has been prepared.The molar dissolution enthalpy of Er(Ala)4(NO3)3·H2O(s) in water has been measured by isopribel calorimeter at 298.2K to beΔsHm,θ= 7.346±0.17 kJ·mol-1,and the standard molar formation enthalpy of Er(Ala)3+4(aq) has been calculated at 298.2K to beΔHθf,m[Er(Ala)3+4,aq,298.2K] =-2910.02 kJ·mol-.

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

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Calorimetry Study of the Standard Formation Enthalpy of Dysprosium Nitrate With Alanine Complex Ion — Research Paper | ScholarLens