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Excess enthalpies of {2-methoxyethanol+methyl 1,1-dimethylethyl ether, orn-heptane} at the temperature 298.15 K

✍ Scribed by Ding-Yu Peng; George C. Benson; Benjamin C.-Y. Lu


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
110 KB
Volume
30
Category
Article
ISSN
0021-9614

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✦ Synopsis


Ε½

Excess enthalpies have been measured for 2-methyoxyethanol q methyl 1,1-methylethyl . Ε½ . ether and for 2-methoxyethanol q n-heptane at the temperature 298.15 K. Smooth representations of the results are described and, in the case of the n-heptane mixture, are used to estimate the limiting mole fractions for the region of partial miscibility.


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Excess enthalpies at the temperatures 298.15 K and 313.15 K and atmospheric pressure have been measured for (heptane+ethyl 1,1-dimethylethyl ether+ethanol) using a quasi-isothermal flow calorimeter. The results have been fitted by an empirical equation and have been compared with the values calculat