The enthalpy of formation of the praseodymium ion (3+) in an infinitely dilute aqueous solution |
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| Authors: | Yu. V. Goryushkina A. S. Monaenkova A. A. Popova L. A. Tiflova |
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| Affiliation: | (1) Faculty of Chemistry, Moscow State University, Leninskie gory, Moscow, 119899, Russia |
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| Abstract: | The enthalpy of reaction between praseodymium metal and 1.07 n HCl and the enthalpy of solution of praseodymium trichloride in 1.07 n HCl and water were measured in a swinging isoperibol calorimeter at 298.15 K. The results were used to calculate the enthalpy of formation of the praseodymium ion in the state of an infinitely dilute aqueous solution, Δf H°298.15 Pr3+(sln, ∞H2O) = ?687.8 ± 1.7 kJ/mol. |
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