Journal ArticleDOI
Solute‐Solute Interactions in Aqueous Solutions
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In this article, the authors interpreted solvent-solute interactions in aqueous solutions of nonelectrolytes using both lattice and distribution function theories of the dissolved state.Abstract:
Solute‐solute interactions in aqueous solutions of nonelectrolytes are interpreted using both lattice and distribution function theories of the dissolved state. Experimental activity data of high precision can be obtained from the literature for aqueous solutions of many nonelectrolytes. If the logarithm of the solvent activity coefficient (γ1) is expressed as a power series in the mole fraction of the solute (x2), lnγ1 = Bx22 + Cx23 + ···, then the coefficients B and C can be determined analytically from the experimental measurements. Values of B were obtained for 52 aqueous mixtures; values of C were obtained for 39 of these mixtures. The solutes considered include aliphatic alcohols, amines, amides, ketones, fatty acids, amino acids, and sugars. In some cases, experimental data were available from which the temperature dependence of the quantities B and C could also be determined. The effect of solute size on the coefficients B and C was investigated using the lattice theories of Flory, Huggins, and Gu...read more
Citations
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Journal ArticleDOI
Analysis of Intermolecular Interaction among Pectin Molecules in Aqueous Sugar Solutions
Yukinori Sato,Osato Miyawaki +1 more
TL;DR: In this paper, the viscosity of aqueous solution of high methoxyl pectin is known to increase drastically when sugars coexist, but the detailed mechanism for the increase in visco-ity was not fully understood.
Journal ArticleDOI
Modulation in physico-chemical characteristics of some polyhydroxy solutes in presence of l-glycine: Volumetric and NMR spectroscopic approach
TL;DR: In this article, 1H and 13C NMR spectroscopic studies for polyhydroxy solutes were carried out in 0.15, 298.15 and 318.15 K under atmospheric pressure, p = 0.1 MPa.
Journal ArticleDOI
Calorimetric determination of chiral interactions in aqueous solutions: Part 2 N-Acetyl-leucinamide at 298.15 K
TL;DR: In this article, the heats of dilution in water of the binary and ternary solutions of the two enantioneric forms of N-acetyl-leucinamide have been determined at 29815 K using a microcalorimetric procedure.
Journal ArticleDOI
Enthalpies of solution of glycine in solutions of aqueous ureas at 298.15 K
TL;DR: In this article, the enthalpies of dissolution of glycine in aqueous 0.15 K H2O solution of urea, monoethylurea, 1,3-dimethylaine, thiourea and hydroxyurea were measured at 298.
Journal ArticleDOI
Interaction of “extremely diluted solutions” with aqueous solutions of hydrochloric acid and sodium hydroxide: A calorimetric study at 298 K
Vittorio Elia,L. Elia,M. Marchese,M. Montanino,E. Napoli,Marcella Niccoli,L. Nonatelli,F. Savarese +7 more
TL;DR: In this paper, the authors measured the heats of mixing of basic and acid solutions with extremely diluted solutions and their electrical conductivity, comparing with the analogous heat of mixing and electrical conductivities of the untreated solvent, and formulated new hypotheses about the supramolecular organization of the solvent water, when subject to mechanical perturbations stemming from the EDS preparation protocol.
References
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Book
Molecular theory of gases and liquids
TL;DR: Molecular theory of gases and liquids as mentioned in this paper, molecular theory of gas and liquids, Molecular theory of liquid and gas, molecular theories of gases, and liquid theory of liquids, مرکز
Book ChapterDOI
Some factors in the interpretation of protein denaturation.
TL;DR: The chapter reviews that the denaturation is a process in which the spatial arrangement of the polypeptide chains within the molecule is changed from that typical of the native protein to a more disordered arrangement.
Journal ArticleDOI
Thermodynamics of High Polymer Solutions
TL;DR: In this paper, a statistical treatment of high polymer solutions has been carried out on the basis of an idealized model, originally proposed by Meyer, which is analogous to the one ordinarily assumed in the derivation of the ''ideal'' solution laws for molecules of equal size.
Journal ArticleDOI
Free Volume and Entropy in Condensed Systems III. Entropy in Binary Liquid Mixtures; Partial Molal Entropy in Dilute Solutions; Structure and Thermodynamics in Aqueous Electrolytes
Henry S. Frank,Marjorie W. Evans +1 more
TL;DR: The first and second papers in this series, which make it possible to interpret entropy data in terms of a physical picture, are applied to binary solutions, and equations are derived relating energy and volume changes when a solution is formed to the entropy change for the process as discussed by the authors.
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