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A Thermochemical Study of the Coordination Reaction of Erbium Nitrate with Alanine

Wenkai Chen

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Abstract

The molar dissolution enthalpy of the reactants and the products of the coordination reaction of erbium nitrate with alanine hava been measured by classical solution calorimetry,the calorimetric solvent is 2mol· L－ 1 HCl solution.The standard molar reaction enthalpy of this coordination has been determined by a new chemical circle ,and =17.800kJ· mol－ 1.From the results and other auxiliary quantities ,the standard molar enthalpy of formation of the new complex Er(Ala)4(NO3)3· H2O has been calculated to be [Er(Ala)4(NO3)3· H2O,s, 298.2K]= － 3818.2kJ· mol－ 1.

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What this paper is about

The molar dissolution enthalpy of the reactants and the products of the coordination reaction of erbium nitrate with alanine hava been measured by classical solution calorimetry,the calorimetric solvent is 2mol· L－ 1 HCl solution.The standard molar reaction enthalpy of this coordination has been determined by a new chemical circle ,and =17.800kJ· mol－ 1.From the results and other auxiliary quantities ,the standard molar enthalpy of formation of the new complex Er(Ala)4(NO3)3· H2O has been calculated to be [Er(Ala)4(NO3)3· H2O,s, 298.2K]= － 3818.2kJ· mol－ 1.

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Available abstract

The molar dissolution enthalpy of the reactants and the products of the coordination reaction of erbium nitrate with alanine hava been measured by classical solution calorimetry,the calorimetric solvent is 2mol· L－ 1 HCl solution.The standard molar reaction enthalpy of this coordination has been determined by a new chemical circle ,and =17.800kJ· mol－ 1.From the results and other auxiliary quantities ,the standard molar enthalpy of formation of the new complex Er(Ala)4(NO3)3· H2O has been calculated to be [Er(Ala)4(NO3)3· H2O,s, 298.2K]= － 3818.2kJ· mol－ 1.

Key concepts: Chemistry, Enthalpy, Enthalpy change of solution, Standard enthalpy of reaction, Dissolution, Standard enthalpy of formation, Calorimetry, Coordination complex

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A Thermochemical Study of the Coordination Reaction of Erbium Nitrate with Alanine — Research Paper | ScholarLens