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Speeds of sound and isentropic compressibilities of (cyclohexanone  +  dichloromethane, or trichloromethane, or trichloroethene, or 1,2-dichloroethane) atT =  303.15 K

✍ Scribed by J. Nath; Anita

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
140 KB
Volume
31
Category
Article
ISSN
0021-9614

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✦ Synopsis

Measurements of speeds of sound u have been made in binary liquid mixtures of cyclohexanone (C 6 H 10 O) and dichloromethane (CH 2 Cl 2 ), or trichloromethane (CHCl 3 ), or trichloroethene (CHClCCl 2 ), or 1,2-dichloroethane (CH 2 ClCH 2 Cl) at T = 303.15 K. The values of u have been used to calculate the apparent excess speeds of sound u and the isentropic compressibilities ΞΊ S for these mixtures. The excess isentropic compressibilities ΞΊ E S have also been calculated from the values of ΞΊ S . The ΞΊ E S property has been found to be negative throughout the entire composition range for mixtures of C 6 H 10 O and CH 2 Cl 2 , or CHCl 3 , or CHClCCl 2 . For {xC 6 H 10 O + (1 -x)CH 2 ClCH 2 Cl}, ΞΊ E S has been found to be positive at low values of x and negative at higher values of x, with an inversion of sign occurring at x β‰ˆ 0.24. The values of u and ΞΊ E S have been fitted to representative equations.

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