| 单词 | ideal solution |
| 释义 | > as lemmasideal solution ideal solution n. Chemistry a hypothetical solution which exhibits no change of internal energy on mixing, whose volume is equal to the sum of the component volumes, and which obeys Raoult's law. ΚΠ 1908 G. N. Lewis in Jrnl. Amer. Chem. Soc. 30 673 What we shall call a perfect or ideal solution is somewhat a matter of choice... I shall attempt to show that the most fundamental law of solutions and the one by which the perfect solution is best defined is the following modification of the law of Raoult. At constant pressure and temperature the activity of the solvent in a perfect solution is proportional to its mol fraction. 1948 S. Glasstone Textbk. Physical Chem. (ed. 2) ix. 675 An ideal solution may consequently be defined as one which obeys Raoult's law over the whole range of concentration and at all temperatures. 2000 M. Clugston & R. Flemming Adv. Chem. xxii. 399 It is possible to separate an ideal solution into its pure components by fractional distillation. < as lemmas |
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