Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic

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Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic process with n = 1.667. Is the work positive, negative or zero?

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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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Question Posted: Feb 23, 2016 06:38 AM

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Helium gas expands from 125 kPa, 350 K and 0.25 m3 to 100 kPa in a polytropic

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The boundary work is W P dV P drops but does V go up ...View the full answer

Fundamentals of Thermodynamics

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