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Thermodynamic question

  • Thread starter SPDupuis03
  • Start date
Please help...


A stationary, un-insulated 2m3 rigid tank initially contains air at 100 kPa and 22oC. Air is available in an attached supply line at constant values of 600 kPa and 22oC. The valve to the supply line is opened and air enters the tank until the tank pressure reaches the supply line pressure. At that point, the valve is closed and the final temperature in the tank is 77oC. Determine the mass of air that entered the tank and the amount of heat transfer. Hint: u = Cv T, h = CpT
 

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