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Experimentally determined volumetric properties of the liquid binary mixture of {water (1) + glycerol (2)} were processed to calculate the changes of the following thermodynamic parameters with pressure: excess molar Gibbs free energy, , excess molar entropy, , excess molar enthalpy, , as well as the enthalpy of mixing of water and glycerol, , at 100 MPa. The mixing enthalpies of water and glycerol, , became more exothermic with pressure increasing at all temperatures studied. 相似文献
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Rojo John Vijay M. Tangde Niraj T. Khaty Alka S. Dhondge Sudhakar S. Dhondge 《印度化学会志》2022,99(3):100370
Densities and speed of sound of l-arginine hydrochloride and l-proline within the concentration range (0.03–0.2) mol.kg?1 in water and in aqueous NaCl and Urea are determined between temperatures 288.15 K and 318.15 K and at one atmospheric pressure. Densities and speeds of sound have been used to calculate apparent molar volume of solute (), isentropic compressibility of solution (), apparent molar isentropic compressibility () of solute, limiting apparent molar volume (), limiting apparent molar volume of transfer (), limiting apparent molar expansibility (), limiting apparent molar isentropic compressibility () and limiting apparent molar isentropic compressibility of transfer (). These results are then interpreted in terms of intermolecular interactions. The concentration dependencies of the calculated quantities, their limiting values and temperature characteristics are discussed in terms of solute - solvent and solute - solute interactions at experimental conditions. 相似文献
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