Nitrogen gas is expanded in a polytropic process with n =
Chapter 4, Problem 120P(choose chapter or problem)
Problem 120P
Nitrogen gas is expanded in a polytropic process with n = 1.25 from 2 MPa and 1200 K to 200 kPa in a piston–cylinder device. How much work is produced and heat is transferred during this expansion process, in kJ/kg?
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