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A chemical substance consisting of two or more pure substances (called mixture components or mixture ingredient) with chemical bonding between components between components being weaker than that of between molecules of components. of components.
A list of all chemical substances constituting a mixture is called Mixture composition.
The chemical properties of of mixtures may differ from those of any constituent components.
Unlike pure substances the mixtures in a state of Thermodynamic equilibrium may see various phases occupy a continuous area in PT Diagram (see for example Vapour Liquid Equilibrium).
Mixtures with two components are called Binary Mixtures and apart from a wide practical value they have a zoomed value in academic studies which help understand and model behaviour of all mixtures.
A mixture in a fluid state (liquid, gas or supercritical fluid) is called a fluid mixture.
In petroleum industry the most popular mixtures are are hydrocarbons and water (H2O), methane (CH4) and octane (C8H18).
See Also
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Natural Science / Chemistry / Chemical Substance
[ Pure substance ] [ Fluid Mixture ]
[ Thermodynamic equilibrium ][ Vapour Liquid Equilibrium (VLE) ]