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2001•Chinese Journal of Applied ChemistryRequires access

Calorimetric Determination of the Standard Formation Enthalpy of Glycine Complex with Erbium Chloride

Zhou Chuan

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Abstract

The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a proposed thermochemical cycle. The following values were obtained: Δ r H θ m(298.15 K)=-3.331 kJ/mol Δ f H θ m(Er(Gly) 3Cl 3·3H 2O,s,298.15 K)=-3 632.0 kJ/mol

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What this paper is about

The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a proposed thermochemical cycle. The following values were obtained: Δ r H θ m(298.15 K)=-3.331 kJ/mol Δ f H θ m(Er(Gly) 3Cl 3·3H 2O,s,298.15 K)=-3 632.0 kJ/mol

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Available abstract

The standard formation enthalpy of the glycine complex with erbium chloride was determined by using an isoperibolic calorimeter with the hydrochloric acid solution(2 mol/L) as a calorimetric solvent according a proposed thermochemical cycle. The following values were obtained: Δ r H θ m(298.15 K)=-3.331 kJ/mol Δ f H θ m(Er(Gly) 3Cl 3·3H 2O,s,298.15 K)=-3 632.0 kJ/mol

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

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