Densities, Excess Molar Volumes, Ultrasonic Speeds, and Isentropic Compressibilities of Hexan-1-ol with 1,2-Dichloroethane, 1,2-Dibromoethane, and 1,1,2,2-Tetrachloroethene at (293.15 and 298.15) K

摘要

Densities, ρ, and ultrasonic speeds, u, of binary mixtures of hexan-1-ol with 1,2-dichloroethane, 1,2-dibromoethane, and 1,1,2,2-tetrachloroethene have been measured over the entire range of composition at (293.15 and 298.15) K and atmospheric pressure. From these data, the excess molar volumes, V E, deviations of ultrasonic speed, u D, from the ultrasonic speed of an ideal mixture, excess molar isentropic compressibilities, k_S,mE{kappa_{S,{rm m}}^{rm E}}, intermolecular free lengths, L _f, mean molecular radii, r, and thermal expansion coefficients, α, have been calculated. The experimental ultrasonic speeds have been analyzed in terms of Nomoto’s, Van Dael’s ideal mixture, and Junjie relations; Jacobson’s free length and Schaaffs’ collision factor theories; and thermoacoustical parameters.