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Thermodynamic and transport properties of binary liquid mixtures of cyclohexanol with isomeric chlorotoluenes
被引:3
|作者:
Rao, C. Narasimha
[1
]
Ramanaiah, S.
[1
]
Chowdappa, A.
[1
]
Sivakumar, K.
[2
]
Venkateswarlu, P.
[1
]
机构:
[1] Sri Venkateswara Univ, Dept Chem, Tirupati 517502, Andhra Pradesh, India
[2] SV Arts UG & PG Coll TTDS, Dept Chem, Tirupati 517502, Andhra Pradesh, India
关键词:
speed of sound;
molecular interactions;
cyclohexanol;
viscosity;
density;
excess volume;
EXCESS VOLUMES;
303.15;
K;
ISENTROPIC COMPRESSIBILITIES;
MOLECULAR-INTERACTIONS;
REFRACTIVE-INDEXES;
PLUS CYCLOHEXANE;
SPEEDS;
SOUND;
VISCOSITIES;
DENSITIES;
D O I:
10.1080/00319104.2014.972556
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Densities (rho) at different temperatures from 303.15 to 318.15K, speeds of sound (u) and viscosities (eta) at 303.15K were measured for the binary mixtures of cyclohexanol with 2-chlorotoluene, 3-chlorotoluene and 4-chlorotoluene over the entire range of composition. The excess volumes (V-E) for the mixtures have been computed from the experimental density data. Further, the deviation in isentropic compressibilities (Delta kappa(s)) and deviation in viscosities (Delta eta) for the binary mixtures have been calculated from the speed of sound and viscosity data, respectively. The V-E values and Delta kappa(s) values were positive and Delta eta data were negative for all the mixtures over the whole range of composition at the measured temperatures. The calculated excess functions V-E, Delta kappa(s) and Delta eta were fitted to Redlich-Kister equation. The excess functions have been discussed in terms of molecular interactions between component molecules of the binary mixtures.
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页码:264 / 274
页数:11
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