The tank in the figure is connected to a piston cylinder device; the valve in between...
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The tank in the figure is connected to a piston cylinder device; the valve in between is used to let the Nz gas in the tank flow into the cylinder. Tank A has a gas at 300 kPa and 30 C occupying a volume equal to 0.5 m. Cylinder B contains a frictionless piston of mass such that a pressure inside the cylinder of 200 kPa will be sufficient to raise the piston. Initially the cylinder is evacuated. Next, the valve is slowly opened, allowing the gas to flow into the cylinder. Eventually the gas in the cylinder reaches a uniform state at 30 C and 200 kPa. Please answer the following questions. Gas A Patm = 100 kPa B * Valve a. You are interested in knowing the final volume of the gas in the cylinder. Show a schematic representation of the system that you would use with its boundary and any possible interactions between the surroundings and your chosen system. b. Compute the work done by the nitrogen during the process, in kJ. c. Next, you decide to use the same analysis changing the gas to a lighter gas such as Argon at the same temperature, pressure, and initial volume. Compute the work done by the new gas and comment on your answer. The tank in the figure is connected to a piston cylinder device; the valve in between is used to let the Nz gas in the tank flow into the cylinder. Tank A has a gas at 300 kPa and 30 C occupying a volume equal to 0.5 m. Cylinder B contains a frictionless piston of mass such that a pressure inside the cylinder of 200 kPa will be sufficient to raise the piston. Initially the cylinder is evacuated. Next, the valve is slowly opened, allowing the gas to flow into the cylinder. Eventually the gas in the cylinder reaches a uniform state at 30 C and 200 kPa. Please answer the following questions. Gas A Patm = 100 kPa B * Valve a. You are interested in knowing the final volume of the gas in the cylinder. Show a schematic representation of the system that you would use with its boundary and any possible interactions between the surroundings and your chosen system. b. Compute the work done by the nitrogen during the process, in kJ. c. Next, you decide to use the same analysis changing the gas to a lighter gas such as Argon at the same temperature, pressure, and initial volume. Compute the work done by the new gas and comment on your answer.
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Related Book For
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
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