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2009•Journal of Hubei University of EducationRequires access

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

Wenkai Chen

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Abstract

Complex of cerium nitrate with alanine was prepared.The molar dissolution enthalpy of Ce(Ala)4(NO3)3·H2O(s) in water was measured by isopribel calorimeter,which is △sHm=-3.268 ±0.022 kJ·mol-1.And the standard molar formation enhtalpiz of Ce(Ala)3+4(aq) calculated at 298.15 K is △fHmθ[Ce(Ala) 3+4,aq,298.15K]=-3 030.9kJ·mol-1.

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Complex of cerium nitrate with alanine was prepared.The molar dissolution enthalpy of Ce(Ala)4(NO3)3·H2O(s) in water was measured by isopribel calorimeter,which is △sHm=-3.268 ±0.022 kJ·mol-1.And the standard molar formation enhtalpiz of Ce(Ala)3+4(aq) calculated at 298.15 K is △fHmθ[Ce(Ala) 3+4,aq,298.15K]=-3 030.9kJ·mol-1.

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Available abstract

Complex of cerium nitrate with alanine was prepared.The molar dissolution enthalpy of Ce(Ala)4(NO3)3·H2O(s) in water was measured by isopribel calorimeter,which is △sHm=-3.268 ±0.022 kJ·mol-1.And the standard molar formation enhtalpiz of Ce(Ala)3+4(aq) calculated at 298.15 K is △fHmθ[Ce(Ala) 3+4,aq,298.15K]=-3 030.9kJ·mol-1.

Key concepts: Cerium, Enthalpy, Cerium nitrate, Chemistry, Molar, Standard enthalpy of formation, Enthalpy change of solution, Dissolution

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