Consider the piston-cylinder assembly shown below; 250 moles of gas expand isothermally after the removal of a

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Consider the piston-cylinder assembly shown below; 250 moles of gas expand isothermally after the removal of a 10,000-kg block.

(a) What is the internal energy change for the expansion process?

(b) What is the entropy change of the universe for this process?

Assume that the PvT behavior can be described by the van der Waals equation with a = 0.5 3Jm3/mol2 4; b = 4 * 1025 3m3/mol4; and that the ideal gas heat capacity has a constant value of cP ^{ideal gas} 5 35J/ (mol K). image text in transcribed

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Engineering And Chemical Thermodynamics

ISBN: 9780470259610

2nd Edition

Authors: Milo D. Koretsky

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Question Posted: Feb 27, 2024 03:09 AM

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Consider the piston-cylinder assembly shown below; 250 moles of gas expand isothermally after the removal of a

Question:

Weightless, frictionless piston m= 10,000 kg Patm A = 0.1 m 250 mol of van der Waals gas State 1 Isothermal expansion 0.4 m Patm A = 0.1 m State 2

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Engineering And Chemical Thermodynamics

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