Construct · 1 fields · 1 citations

miscibility: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a single construct in physical chemistry Nearest construct by meaning·not indexed
miscibility1 CONSTRUCTMiscibilityHILDEBRAND · 1929

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Physical chemistry

Whether two liquids blend into one phase

Miscibility is the capacity of two substances, typically liquids, to mix in all proportions and form a single homogeneous phase; substances that mix freely are miscible, those that separate into layers are immiscible, and many pairs mix only over part of the composition range, leaving a miscibility gap. Whether mixing happens is set by the free energy of mixing, which weighs the entropy gained on blending against the energy cost of replacing like-with-like contacts by unlike ones. Hildebrand's 1929 Solubility. XII. Regular solutions framed this in terms of the solubility parameter, the idea that like dissolves like. The referent is the mutual solubility of components and the single phase, or phases, that results.[1]

Unit
The composition range over which the components form one phase, and the location of any miscibility gap
Recovery means
Not applicable
Measured by
Mapped on a phase diagram from cloud-point and phase-separation measurements, and rationalised through solubility parameters and the free energy of mixing

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Nearby constructs

capacity5 fields · 8 citationsjingle · one word, four limitscomposition3 fields · 3 citationsjingle · one word, three constructscost4 fields · 4 citationsjingle · one word, four constructs

References

  1. Hildebrand, J. H. (1929). Solubility. XII. Regular solutions. Journal of the American Chemical Society, 51(1), 66–80. https://doi.org/10.1021/ja01376a009

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