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posted by  SAM0088 on 11/7/2009 12:16:12 PM  |  status: Live  |  Earned Karma: 27

Thermodynamics PLEASE HELP!!

Course Textbook Chapter Problem Needs by
Thermodynamics Fundamentals of Engineering Thermodynamics Moran and Shapiro 4 4.117 11/9/2009 at 10:00:00 AM
Question Details:
A 1 m^3 tank initally contains air at 300 kPa, 300K. Air slowly escapes from the tank until the pressure drops to 100 kPa. The air that remains in the tank undergoes a process described by pv^1.2=constant. For a control volume enclosing the tank, determine the heat transfer, in KJ. Assume ideal gas behavior with constant specific heats.
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posted by Cindy G on 11/7/2009 11:07:00 PM  |  status: Live
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Response Details:

V2= 2.498 m3
WD=
=
= 251J
So Q = 251 J
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