Densities, Speeds of Sound, and Isentropic Compressibilities of Binary Mixtures of {Alkan-1-ols + 1,2-Dimethylbenzene, or 1,3-Dimethylbenzene, or 1,4-Dimethylbenzene, or Ethylbenzene} at (293.15, 303.15, and 313.15) K

Densities and speeds of sound of binary liquid mixtures of {nonan-1-ol and decan-1-ol + 1,2-dimethylbenzene, or 1,3-dimethylbenzene, or 1,4-dimethylbenzene, or ethylbenzene} were measured over the entire composition range at (293.15, 303.15, and 313.15) K and at a pressure of 0.1 MPa. The experimental densities and speeds of sound were used to obtain the excess molar volumes and the isentropic compressibilities of the binary liquid mixtures. The Redlich−Kister polynomial was fitted to the excess molar volumes to derive the binary coefficients and the standard errors between the experimental and the calculated quantities. The excess molar volumes are positive for the binary liquid mixtures of {nonan-1-ol and decan-1-ol + ethylbenzene} over the entire composition range at (293.15 to 313.15) K. For the binary liquid mixtures of {nonan-1-ol + 1,2-dimethylbenzene, or 1,3-dimethylbenzene, or 1,4-dimethylbenzene}, the excess molar volumes show sigmoid trend, and the values vary from negative to positive over the...

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