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The Wohl equation (named after A. Wohl [5]) is formulated in terms of critical values, making it useful when real gas constants are not available, but it cannot be used for high densities, as for example the critical isotherm shows a drastic decrease of pressure when the volume is contracted beyond the critical volume.
The diagram above illustrates the point that a precipitate that is not one of the main species in the solution equilibrium may be formed. At pH just below 5.5 the main species present in a 5 μM solution of Al 3+ are aluminium hydroxides Al(OH) 2+, AlOH + 2 and Al 13 (OH) 7+ 32, but on raising the pH Al(OH) 3 precipitates from the
Thermodynamics of High Polymer Solutions", Paul J. Flory Journal of Chemical Physics, August 1941, Volume 9, Issue 8, p. 660 Abstract. Flory suggested that Huggins' name ought to be first since he had published several months earlier: Flory, P.J., "Thermodynamics of high polymer solutions", J. Chem. Phys. 10 :51-61 (1942) Citation Classic No ...
The enneahydrate MgSO 4 ·9H 2 O was identified and characterized only recently, even though it seems easy to produce (by cooling a solution of MgSO 4 and sodium sulfate Na 2 SO 4 in suitable proportions). The structure is monoclinic, with unit-cell parameters at 250 K: a = 0.675 nm, b = 1.195 nm, c = 1.465 nm, β = 95.1°, V = 1.177 nm 3 with ...
In thermodynamics, the chemical potential of a species is the energy that can be absorbed or released due to a change of the particle number of the given species, e.g. in a chemical reaction or phase transition.
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Marine Isotope Stage 5 or MIS 5 is a marine isotope stage in the geologic temperature record, between 130,000 and 80,000 years ago. [1] Sub-stage MIS 5e corresponds to the Last Interglacial , also called the Eemian (in Europe) or Sangamonian (in North America), the last major interglacial period before the Holocene , which extends to the ...
In thermodynamics and chemical engineering, the vapor–liquid equilibrium (VLE) describes the distribution of a chemical species between the vapor phase and a liquid phase. The concentration of a vapor in contact with its liquid, especially at equilibrium , is often expressed in terms of vapor pressure , which will be a partial pressure (a ...