An insulated 0.15-m3 tank contains helium at 3 MPa and
Chapter 5, Problem 128P(choose chapter or problem)
Problem 128P
An insulated 0.15-m3 tank contains helium at 3 MPa and 130°C. A valve is now opened, allowing some helium to escape. The valve is closed when one-half of the initial mass has escaped. Determine the final temperature and pressure in the tank.
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