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Excess molar volumes of (an alkane  +  1-chloroalkane) atT =  298.15 K

✍ Scribed by É. Kovács; K. Aim; J. Linek

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
207 KB
Volume
33
Category
Article
ISSN
0021-9614

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✦ Synopsis

The densities of the following: (pentane + 1-chloropropane, or 1-chlorobutane, or 1-chloropentane, or 1-chlorohexane), (hexane + 1-chloropropane, or 1-chlorobutane, or 1-chloropentane, or 1-chlorohexane), (heptane + 1-chloropropane, or 1-chlorobutane, or 1-chloropentane, or 1-chlorohexane), (octane + 1-chloropropane, or 1-chlorobutane, or 1-chloropentane, or 1-chlorohexane), were measured at T = 298.15 K by means of a vibrating-tube densimeter. The excess molar volumes V E m , calculated from the density data, are negative for (pentane + 1-chloropentane, or 1-chlorohexane) and (hexane + 1-chlorohexane) over the entire range of composition. (Pentane + 1-chlorobutane), (hexane + 1-chloropentane) and (heptane + 1-chlorohexane) exhibit an S-shaped V E m dependence. For all the other systems, V E m is positive. The V E m results were correlated using the fourth-order Redlich-Kister equation, with the maximum likelihood principle being applied for determining the adjustable parameters.

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