. A commentary on the scientific writings of J. Willard Gibbs. Gibbs, Joniah Willard, 1839-1908; Science; Thermodynamics. THERMODYNAMICAL SYSTEM OF GIBBS 149 the values of f for the unit mass of the different phases (, nil -\- nh = I) against the composition. Thus the point Z (Fig. 5) represents a phase for which XZ Mi Wi + nii XY and the value of f for this phase is represented by ZE. The curve AB represents the values of f for all homogeneous phases. Fia. 5 when the composition is varied from that of the phase for which Wi = 1 (represented by point X) to that for which nh =1 (point Y). C
. A commentary on the scientific writings of J. Willard Gibbs. Gibbs, Joniah Willard, 1839-1908; Science; Thermodynamics. THERMODYNAMICAL SYSTEM OF GIBBS 149 the values of f for the unit mass of the different phases (, nil -\- nh = I) against the composition. Thus the point Z (Fig. 5) represents a phase for which XZ Mi Wi + nii XY and the value of f for this phase is represented by ZE. The curve AB represents the values of f for all homogeneous phases. Fia. 5 when the composition is varied from that of the phase for which Wi = 1 (represented by point X) to that for which nh =1 (point Y). CD is the tangent to the f curve at the point E. It can be shown that intercepts made by this tangent on the axes at X and Y are equal to the values of Mi and M^ for the phase represented by E, , XC = Mi and YD = Mi* The * If the potentials of ;Si and St in the phase E are ixi and m2, the tangent CD is characterized by the equation df = ixidm,]. + y^idmi, or since when. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donnan, F. G. (Frederick George), 1870-1956; Haas, Arthur Erich, 1884-1941. New Haven, Yale University Press; London, H. Milford, Oxford University Press
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Keywords: ., bookcentury1900, booksubjectscience, booksubjectthermodynamics
