In chemistry, a regular solution is a solution whose entropy of mixing is equal to that of an ideal solution with the same composition, but is non-ideal due to a nonzero enthalpy of mixing.[1][2] Such a solution is formed by random mixing of components of similar molar volume and without strong specific interactions,[1][2] and its behavior diverges from that of an ideal solution by showing phase separation at intermediate compositions and temperatures (a miscibility gap).[3] Its entropy of mixing is equal to that of an ideal solution with the same composition, due to random mixing without strong specific interactions.[1][2] For two components
where is the gas constant, the total number of moles, and the mole fraction of each component. Only the enthalpy of mixing is non-zero, unlike for an ideal solution, while the volume of the solution equals the sum of volumes of components.
^ abcP. Atkins and J. de Paula, Atkins' Physical Chemistry (8th ed. W.H. Freeman 2006) p.149
^ abcP.A. Rock, Chemical Thermodynamics. Principles and Applications (Macmillan 1969) p.263
^Simon & McQuarrie Physical Chemistry: A molecular approach
In chemistry, a regularsolution is a solution whose entropy of mixing is equal to that of an ideal solution with the same composition, but is non-ideal...
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among the points, the minimum solution known for n = 12 {\displaystyle n=12} places the points at the vertices of a regular icosahedron, inscribed in a...
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Legendre polynomials. In general, when ℓ and m are integers, the regularsolutions are sometimes called "associated Legendre polynomials", even though...
have planar regular polygon faces, but regular skew polygon vertex figures. Two dual solutions are related to the 5-cell, two dual solutions are related...
Hillert in his 1955 Doctoral Dissertation at MIT. Starting with a regularsolution model, he derived a flux equation for one-dimensional diffusion on...
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) {\displaystyle (n)} . Near a regular point the solution component is an isolated curve passing through the regular point (the implicit function theorem)...
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= zp) has no solution for integers x, y, z with gcd(xyz, p) = 1 if p is Euler-regular. Gut proved that x2p + y2p = z2p has no solution if p has an E-irregularity...
paracompact. Five compact regular honeycombs in H4: The two paracompact regular H4 honeycombs are: {3,4,3,4}, {4,3,4,3}. Noncompact solutions exist as Lorentzian...
the Schwarzschild metric (also known as the Schwarzschild solution) is an exact solution to the Einstein field equations that describes the gravitational...
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electromagnetism, the Mie solution to Maxwell's equations (also known as the Lorenz–Mie solution, the Lorenz–Mie–Debye solution or Mie scattering) describes...
A regular verb is any verb whose conjugation follows the typical pattern, or one of the typical patterns, of the language to which it belongs. A verb...
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any of the experimental pesticide, but a curious Q mixes it with the regularsolution. As he sprays the nest, the analysis of the hyper-aggressive wasp's...
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