Question: A thermodynamic system is taken from stare a to state c in Fig. 19.29 along either path abc or path adc. Along path abc, the

A thermodynamic system is taken from stare a to state c in Fig. 19.29 along either path abc or path adc. Along path abc, the work W done by the system is 450 J. Along path adc, W is 120 J. The internal energies of each of the four states shown in the figure are Ua =150 J, Ub = 240 J, Uc = 680 I, and Ud = 330 J. Calculate the heat flow Q for each of the four processes ab, bc, ad, and dc. In each process, does the system absorb or liberate heat?

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