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Zarrin
6 days ago
10

Argon in the amount of 1.5 kg fills a 0.04-m3 piston cylinder device at 550 kPa. The piston is now moved by changing the weights

until the volume is twice its original size. During this process, argon's temperature is maintained constant. Determine the final pressure in the device. Assumptions: At specified conditions, argon behaves as an ideal gas. Properties: The gas constant of argon is R 0.2081 kJ/kgK
Physics
1 answer:
inna [2.2K]6 days ago
3 0
275 kPa Explanation: Here the mass of the gas equals m=1.5 kg with an initial volume of V₁=0.04 m³ and an initial pressure P₁=550 kPa. As provided, the final volume is double the original volume, making V₂ equal to 2 V₁. Since the temperature remains constant, T₁=T₂=T. By substituting the values into the equation... results in final pressure being P₂=275 kPa.
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