Thermodynamic excess properties for binary mixtures of (butanenitrile + a carboxylic acid) atT = 298.15 K |
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| Institution: | 1. Department of Chemical Engineering, Ferdowsi University of Mashhad, Mashhad 9177948944, Iran;2. Department of Chemistry, Ferdowsi University of Mashhad, Mashhad 9177948974, Iran;1. Federal University of Amazonas, Department of Chemistry, Manaus, AM, Brazil;2. Federal University of Amazonas, Department of Materials Engineering, Manaus, AM, Brazil;3. Federal University of Amazonas, Department of Physic, Manaus, AM, Brazil;4. Federal University of Mato Grosso, Department of Chemistry, LCM - Computational Materials Laboratory, Cuiaba, MT, Brazil |
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| Abstract: | Excess molar enthalpies and excess molar volumes for (butanenitrile + acetic acid, or propanoic acid, or butanoic acid, or 2-methylpropanoic acid, or pentanoic acid, or 3-me thylbutanoic acid) atT = 298.15 K are presented. The excess molar enthalpy values are found to be positive for all six systems, whereas the excess molar volumes are found to be negative. The excess molar enthalpy values are correlated by the UNIQUAC and NRTL models and also by the Redlich–Kister polynomial. |
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