47. Solving a chemistry problem

47. Solving a chemistry problem

1. The system contains 0.5 mol of an ideal monatomic gas (CV= 3.0 cal/(mol.K)) at P1 = 10 atm and V1 = 1 l. The gas expands reversibly and adiabatically to a pressure of P2 = 1 atm. Calculate the initial and final temperature, the final volume, the work done, and the change in internal energy and enthalpy in this process. Calculate these values for the corresponding isothermal process.
3.10 Adiabatic process: T1=244 K, T2=97.6 K, V2=4.0 l, W=ΔU=-220 cal, ΔH=-366 cal. Isothermal process: T1=T2=244 K, V2=10.0 l, W=-558 cal, ΔU=ΔH=0

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