PROBLEM 3 n mol of ideal gas is taken through an isothermal process A → B, an adiabatic process B → C, an isothermal pro

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Problem 3 N Mol Of Ideal Gas Is Taken Through An Isothermal Process A B An Adiabatic Process B C An Isothermal Pro 1 (45.41 KiB) Viewed 13 times

PROBLEM 3 n mol of ideal gas is taken through an isothermal process A → B, an adiabatic process B → C, an isothermal process CD and then an adiabatic process D→ A. The temperature of the gas at A= B is TH and the temperature of the gas at C and D is Tc which is lower than T. The volume of the gas at A, B, C, D are VA VB. Vc, VD. Answer the following questions. 1. Using the first law of thermodynamics and the equation of state for an ideal gas, find the heat transfer Q and Qc during the processes A → B and C → D. [10pt] Cy 2. Show the relation TH VTC V¹ for the adiabatic process B→ C. Here, y = ratio of the molar specific heats. [10pt] 3. Show the relation IQc/QH1 = Tc/TH. [10pt] 4. Find the change of the entropy ASAB and ASBC in the processes AB and B→ C. [10p PA QH TH > TO C D Qc TH Tc V