The thermodynamic properties of magnesium uranoborate |
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| Authors: | N G Chernorukov N N Smirnova A V Knyazev M N Marochkina A V Ershova |
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| Institution: | (1) Nizhni Novgorod State University, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia |
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| Abstract: | The standard enthalpy of formation of crystalline Mg(BUO5)2 at 298.15 K (?4347.5 ± 8.0 kJ/mol) was determined by reaction calorimetry. The heat capacity of magnesium uranoborate was studied by adiabatic vacuum calorimetry over the temperature range 8–330 K. The thermodynamic functions of the compound were calculated. The standard entropy and Gibbs energy of formation at 298.15 K were found to be ?903.0 ± 2.1 J/(mol K) and ?4078.5 ± 9.0 kJ/mol, respectively. |
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