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Miscibility - Wikipedia, the free encyclopedia
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Like any other solubility phenomenon, miscibility depends on the forces of attraction between the molecules of the different liquids. The rule of thumb "like dissolves like" means that liquids with similar molecular structures, in particular similar polarity, will likely dissolve in each other.
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SOLVENT MISCIBILITY TABLE; Solvent Polarity Chart; Relative Compound Group Representative Solvent; Polarity Formula Compounds; R - H Alkanes Petroleum ethers, ligroin, hexanes; Ar - H Aromatics Toluene, benzene; ... R - O - R Ethers Diethyl ether; R - X Alkyl halides Tetrachloromethane, chloroform; R - COOR Esters...
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Britannica Online Encyclopedia ... Learn more about "miscibility" ... Learn more about "miscibility" and related topics at Britannica.com...
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Explanation of Miscibility of Fluids. ... Think of miscibility as 'mixability' and it's easy to remember. Fluid volumes (liquids and gases) aren't necessarily additive. Intermolecular forces (hydrogen bonding, London dispersion forces, dipole-dipole forces) also play their part in miscibility, but that's another story.
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© 2003 by John A. Byers. Table values from Phenomenex catalog, www.Phenomenex.com ... Solubility in Water (%) ... Polarity Index Solvent Polarity Index Solvent...
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Britannica online encyclopedia article on miscibility (chemistry), It is generally presumed that all gases are completely miscible (mutually soluble in all proportions), but this is true only at normal pressures. At high pressures, pairs of chemically dissimilar gases may very well exhibit only limited miscibility.
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What does that have to do with miscibility? Well, if the polar liquid mixes with a non-polar liquid, on average any two molecules of the polar liquid become farther apart. This means that their stabilizing interactions become less, hence less potential energy decrease, thus less kinetic energy increase, thus less entropy.
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One term that we will be using often when describing polarity's effect on solutions is the term miscibility. Miscibility refers to a liquid being mutually soluble in another liquid (implying that they must have the same polarity).
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Oil and water don't mix. Pouring 10 mL of olive oil into 10 mL of water results in two distinct layers, clearly separated by a curved meniscus. Each layer has the same volume and essentially the ... Pouring grain alcohol into water results in a single liquid phase. ... Many liquid mixtures fall between these two extremes.
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