Consider an ideal gas contained in a pistoncylinder arrangement as a closed thermodynamic system. The gas expands
Question:
Consider an ideal gas contained in a piston–cylinder arrangement as a closed thermodynamic system. The gas expands following a polytropic process PVn = P1Vn1 from state 1 to state 2. The polytropic exponent n is a constant.
A. Starting with the definition of moving-boundary work ∫ Pdv derive an
expression to evaluate the work in terms of the pressures and volumes at the initial and final states.
B. Is the work for this process into or out of the system? Why?
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Related Book For
Thermodynamics Concepts And Applications
ISBN: 9781107179714
2nd Edition
Authors: Stephen R. Turns, Laura L. Pauley
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