A rigid tank contains 2 kg of an ideal gas at 5 atm and
Chapter 3, Problem 141P(choose chapter or problem)
Problem 141P
A rigid tank contains 2 kg of an ideal gas at 5 atm and 40°C. Now a valve is opened, and half of mass of the gas is allowed to escape. If.the final pressure in the tank is 2.2 atm, the final temperature in the tank is
(a)71°C
(b)44°C
(c)-100°C
(d)20°C
(e) 172°C
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