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A piston - cylindrical with a 25 cm diameter - contains a gas under a weight of 100 kg. The piston is placed outside where

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A piston - cylindrical with a 25 cm diameter - contains a gas under a weight of 100 kg. The piston is placed outside where the pressure is 1 atm. The piston is stationary. a) Determine the pressure of the gas in atm. Hint: Stationary piston means forces are balanced. b) The gas is cooled, causing it to contract and lowering the piston by 10 cm. Of the following, which ones can be determined from the given information? i) Work on/by the gas, ii) Heat to/from the gas, iii) Work on/by the weight, iv) Heat to/from the weight v) Change in the energy of the gas, vi) Change in the energy of the weight If the value can be determined, calculate the value (and sign). If it cannot, explain why not. A piston - cylindrical with a 25 cm diameter - contains a gas under a weight of 100 kg. The piston is placed outside where the pressure is 1 atm. The piston is stationary. a) Determine the pressure of the gas in atm. Hint: Stationary piston means forces are balanced. b) The gas is cooled, causing it to contract and lowering the piston by 10 cm. Of the following, which ones can be determined from the given information? i) Work on/by the gas, ii) Heat to/from the gas, iii) Work on/by the weight, iv) Heat to/from the weight v) Change in the energy of the gas, vi) Change in the energy of the weight If the value can be determined, calculate the value (and sign). If it cannot, explain why not

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