Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 136
the pathsAa B and A b B. For, let A D and B C be isentropic lines through A and B,indefinitely extended toward X; then the work done and theheat absorbed or emitted are measured, when the route AB is taken, by the areas A a B x.. x\ A and A a B C. . . . x...DA. If the route A b B is taken, these… … X/ X2 Xj Fig, 7.—^External work. Corollary i.—The differences in the quantity of heat de-manded or surrendered by any working substance in itstransfer from one state to another, by different routes, aredependent solely upon the routes taken, and not at all uponthe nature of the substance. Corollary…
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