Ultrasonic velocity, density and viscosity of the ternary mixture of Chlorobenzene + Chloroform + Cyclohexane were measured at 303.15, 308.15 and 313.15 K. The thermodynamical parameters such as adiabatic compressibility ( , intermolecular free length (L f ), free volume (V f ), internal pressure ( i , acoustic impedance (Z), molar sound velocity (R) and molar compressibility (W ) have been obtained from the experimental data for all the mixtures, with a view to investigate the exact nature of molecular interaction. Adiabatic compressibility and intermolecular free length decrease with increase in concentration and temperature. The other parameters show almost increasing concentration of solutes. These parameters have been further used to interpret the molecular interaction part of the solute and solvent in the mixtures.
Ultrasonic velocity (
U
), density (
ρ
), viscosity (
ƞ
) for the ternary mixture of benzene + chloroform + cyclohexane in the whole range of composition has been carried out at various temperatures 303.15, 308.15 and 313.15K. From the measured parameters U,
ρ
and
ƞ
, some derived parameters
β, L
f
, V
f
, π
i
, Z, R,W
with molar enthalpy (
H
m
) and apparent molar volume (
ɸ
v
) are also estimated. The decreasing trend of
ƞ, R,W, H
m
,
and
ɸ
v
with concentrations and other parameters are in increasing trend were observed. The trend of acoustical and physico-chemical parameters confirm the dynamics of molecules at higher temperature and the magnitude of intermolecular interactions among the constituents of the mixtures always reflects the nature of substance. The role of enthalpy and apparent molar volume has been used to determine their thermal response. The sign and magnitude of these properties are evident for the nature of interactions between component molecules.
Ultrasonic velocity, density and viscosity of the ternary mixture of toluene + chloroform + cyclo hexane, were measured at 303.15, 308.15, and 313.15 K. The thermodynamically parameters such as adia batic compressibility (β), intermolecular free length (L f ), free volume (V f ), internal pressure (π i ), acoustic impedance (Z), molar sound velocity (R), and molar compressibility (W) have been obtained from the exper imental data for all the mixtures, with a view to investigate the exact nature of molecular interaction. Adia batic compressibility and intermolecular free length decrease with increase in concentration and tempera ture. The other parameters show almost increasing concentration of solutes. These parameters have been fur ther used to interpret the molecular interaction part of the solute and solvent in the mixtures.
Ultrasonic velocity, density and viscosity of the ternary mixture of 1, 4- dioxane + chloroform + cyclohexane, were measured at 303.15, 308.15 and 313.15 K. The thermodynamical parameters such as adiabatic compressibility (β), intermolecular free length (Lf), free volume (Vf), internal pressure (πi), acoustic impedance (Z), molar sound velocity (R) and molar compressibility (W) have been obtained from the experimental data for all the mixtures, with a view to investigate the exact nature of molecular interaction. Adiabatic compressibility and intermolecular free length decrease with increase in concentration and temperature. The other parameters show almost increasing concentration of solutes. These parameters have been further used to interpret the molecular interaction part of the solute and solvent in the mixtures.
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