The PVT behavior of a certain gas is described by the equation of state: P(???? − ????) = ????T, where ???? is a constant. If in addition c???? is constant, show that: (a) ???? is a function of T only. (b) ???? = const. (here, ???? is the ratio of specific heats) (c) For a mechanically reversible process, P(???? − ????)???? = const.

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