A cylindrical container 80 cm long is separated into two compartments by a thin piston, originally...
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A cylindrical container 80 cm long is separated into two compartments by a thin piston, originally clamped in position 30 cm from the left end. The left compartment is filled with one mole of He at a pressure of 5 atm; the right compartment is filled with Ar at 1 atm. These gases may be considered ideal. The cylinder is submerged in 1 liter of water, and the entire system is insulated from the surroundings and is initially at the uniform temperature of 25 °C. The heat capacities of the cylinder and piston may be neglected. When the piston is unclamped, a new equilibrium state is reached with the piston in a new position. a. What is the change in temperature of the water? b. How far from the left end of the cylinder will the piston come to rest? c. What is the increase in total entropy for this isolated system? A cylindrical container 80 cm long is separated into two compartments by a thin piston, originally clamped in position 30 cm from the left end. The left compartment is filled with one mole of He at a pressure of 5 atm; the right compartment is filled with Ar at 1 atm. These gases may be considered ideal. The cylinder is submerged in 1 liter of water, and the entire system is insulated from the surroundings and is initially at the uniform temperature of 25 °C. The heat capacities of the cylinder and piston may be neglected. When the piston is unclamped, a new equilibrium state is reached with the piston in a new position. a. What is the change in temperature of the water? b. How far from the left end of the cylinder will the piston come to rest? c. What is the increase in total entropy for this isolated system?
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Answer rating: 100% (QA)
Lets start with part a a To find the change in temperature of the water we can use the fact that the heat gained by the water is equal to the work don... View the full answer
Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
Posted Date:
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