Excess volumes of (1,3-dichloropropane or 1,4-dichlorobutane + an n -alkan-2-one) at the temperatures 298.15 K and 308.15 K

Author： Fernandez J.   Paz Andrade M.I.   Menaut C.P.   Pico J.M.   Jimenez E.  

Publisher： Academic Press

ISSN： 0021-9614

Source： Journal of Chemical Thermodynamics, Vol.27, Iss.6, 1995-06, pp. : 663-669

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Abstract

Excess molar volumes V m at the temperatures 298.15 K and 308.15 K and normal atmospheric pressure for [ x {ClCH 2 CH 2 CH 2 Cl or ClCH 2 (CH 2 ) 2 CH 2 Cl} + (1 - x )CH 3 CO(CH 2 ) q - 3 CH 3 ] with q = 4, 5, and 6 were obtained from measurements of the density with an Anton-Paar densimeter. The V m values increase as q increases and when ClCH 2 CH 2 CH 2 Cl is replaced by ClCH 2 (CH 2 ) 2 CH 2 Cl. Excess molar volumes decrease when the temperature increases. The trend of the excess volumes with the separation of the Cl atoms of the dichloroalkane is just the opposite to that found in previous papers for the excess enthalpies.

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