Partial molar volumes

Article No: P3020501

Due to intermolecular interactions, the total volume measured when two real liquids (e.g. ethanol and water) are mixed deviates from the total volume calculated from the individual volumes of the two liquids (volume contraction). To describe this non-ideal behaviour in the mixing phase, one defines partial molar quantities which are dependent on the composition of the system. The values of these can be experimentally determined.

Key Features

An illustrative fundamental experiment in thermodynamics
Visualising the difference between ideal and real behavior

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