Five kg of carbon dioxide (CO2) gas undergoes a process in

Chapter 6, Problem 6.44

(choose chapter or problem)

Five kg of carbon dioxide \(\left(\mathrm{CO}_{2}\right)\) gas undergoes a process in a well-insulated piston–cylinder assembly from 2 bar, 280 K to 20 bar, 520 K. If the carbon dioxide behaves as an ideal gas, determine the amount of entropy produced, in kJ/K, assuming

(a) constant specific heats with \(c_{\mathrm{p}}=0.939 \mathrm{\ kJ} / \mathrm{kg} \cdot \mathrm{K}\).

(b) variable specific heats.

Compare the results of parts (a) and (b).

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