Heat capacity and thermodynamic functions of MnBr2 · 4D2O and MnCl2 · 4D2O |
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Authors: | JE Moore RA Butera |
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Institution: | Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 USA |
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Abstract: | The heat capacities of MnBr2 · 4D2O and MnCl2 · 4D2O have been experimentally determined from 1.4 to 300 K. The smoothed heat capacity and thermodynamic functions (H°TH°0) and S°T are reported for the two compounds over the temperature range 10 to 300 K. The error in the thermodynamic functions at 10 K is estimated to be 3%. Additional error in the tabulated values arising from the heat capacity data above 10 K is thought to be less than 1%. A λ-shaped heat capacity anomaly was observed for MnCl2 · 4D2O at 48 K. The entropy associated with the anomaly is 1.2 ± 0.2 J/mole K. |
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Keywords: | To whom all correspondence should be addressed |
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