TY - JOUR
T1 - Exploring molecular interactions of binary mixture (dimethyl carbonate + benzyl benzoate)
T2 - Measurements and correlation
AU - Jyothirmai, G.
AU - Nayeem, Sk Md
AU - Khan, Imran
AU - Anjaneyulu, Ch
N1 - Publisher Copyright:
© 2017 Elsevier B.V.
PY - 2018/1
Y1 - 2018/1
N2 - To explore the type of interaction and its behavior with temperature in the binary mixture (dimethyl carbonate + benzyl benzoate), the density (ρ) and speed of sound (u) are measured for the whole mole fraction range at various temperatures T = (308.15, 313.15 and 318.15) K and at atmospheric pressure. Sign with magnitude of computed excess molar volume (VmE) was examined and detailed analysis elucidated not only prevalence of strong molecular interactions between molecules in study but also its variation with temperature. Further, strong interactions are well supported by partial and their excess partial molar volume (V¯m,V¯mE,V¯mE,∞). Furthermore, relative association (RA), Lennard-Jones repulsive power (n), excess isentropic compressibility (κsE), partial and their excess partial molar isentropic compressibility(K¯m, K¯mE), excess values of isobaric thermal expansion coefficient (αPE), isentropic compressibility (κsE), isothermal compressibility (kTE), intermolecular free length (LfE), acoustic impedance (ZE), surface tension (σSE), ultrasonic speed (uE) were evaluated and confirmed the conclusions made for VmE. By Redlich-Kister equation, coefficients with standard deviations are computed to excess parameters. VmE is correlated by Prigogine–Flory–Patterson (PFP) and Topology theories at 308.15 K. Extended Langmuir model is examined for influence of the bulk mole fraction on surface tension. At T = 308.15 K, different derivatives of thermodynamic potentials, densities through Soave-Redlich-Kwong (SRK)/Peng-Robinson (PR) cubic equation of states, excess chemical potential and theoretical speeds using semi-empirical equations are evaluated. Using Hartmann–Balizar and Ballou non-linear equations, cohesive energy (ΔA), van der Wall's constants (a, b), distance of closest approach (d) are estimated through Sehgal's equations at all temperatures.
AB - To explore the type of interaction and its behavior with temperature in the binary mixture (dimethyl carbonate + benzyl benzoate), the density (ρ) and speed of sound (u) are measured for the whole mole fraction range at various temperatures T = (308.15, 313.15 and 318.15) K and at atmospheric pressure. Sign with magnitude of computed excess molar volume (VmE) was examined and detailed analysis elucidated not only prevalence of strong molecular interactions between molecules in study but also its variation with temperature. Further, strong interactions are well supported by partial and their excess partial molar volume (V¯m,V¯mE,V¯mE,∞). Furthermore, relative association (RA), Lennard-Jones repulsive power (n), excess isentropic compressibility (κsE), partial and their excess partial molar isentropic compressibility(K¯m, K¯mE), excess values of isobaric thermal expansion coefficient (αPE), isentropic compressibility (κsE), isothermal compressibility (kTE), intermolecular free length (LfE), acoustic impedance (ZE), surface tension (σSE), ultrasonic speed (uE) were evaluated and confirmed the conclusions made for VmE. By Redlich-Kister equation, coefficients with standard deviations are computed to excess parameters. VmE is correlated by Prigogine–Flory–Patterson (PFP) and Topology theories at 308.15 K. Extended Langmuir model is examined for influence of the bulk mole fraction on surface tension. At T = 308.15 K, different derivatives of thermodynamic potentials, densities through Soave-Redlich-Kwong (SRK)/Peng-Robinson (PR) cubic equation of states, excess chemical potential and theoretical speeds using semi-empirical equations are evaluated. Using Hartmann–Balizar and Ballou non-linear equations, cohesive energy (ΔA), van der Wall's constants (a, b), distance of closest approach (d) are estimated through Sehgal's equations at all temperatures.
KW - Benzyl benzoate
KW - Density
KW - Dimethyl carbonate
KW - Excess thermodynamic properties
KW - Langmuir model
KW - Prigogine–Flory–Patterson theory
KW - Speed of sound
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U2 - 10.1016/j.molliq.2017.11.070
DO - 10.1016/j.molliq.2017.11.070
M3 - Article
AN - SCOPUS:85035753389
SN - 0167-7322
VL - 249
SP - 1183
EP - 1194
JO - Journal of Molecular Liquids
JF - Journal of Molecular Liquids
ER -