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A 0.5 m 3 rigid tank containing hydrogen at 40°CC, 200 kPa is connected to another 1 m 3 rigid tank containing hydrogen at 20°C, 600kPa. The valve is opened and the sytem is allowed to reach thermal eqlbm with the surroundings at 15°C. Determine the final pressure and the heat transfer. 345.68 kPa,-49 J 454.52 kPa, -49 J 345.68 kPa,-45 J 454.52 kPa,-45 J

A 0.5 mrigid tank containing hydrogen at 40°CC, 200 kPa is connected to another 1 mrigid tank containing hydrogen at 20°C, 600kPa. The valve is opened and the sytem is allowed to reach thermal eqlbm with the surroundings at 15°C. Determine the final pressure and the heat transfer.
 
  1. 345.68 kPa,-49 J
  2. 454.52 kPa, -49 J
  3. 345.68 kPa,-45 J
  4. 454.52 kPa,-45 J

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