1. Two moles of helium gas are placed in a cylindrical container with a piston. The gas is at room temperature 30 °C and under a pressure of 2.9 105 Pa. When the pressure from the outside is decreased; while keeping the temperature the same as the room temperature, the volume of the gas doubles. Use that the gas constant R= 8.31 J/(mol K). Think: What kind of process is this? Isobaric, isothermal, adiabatic, isochoric or non-quasi- static? (a) Find the work the external agent does on the gas in the process. Wext agent (b) Find the heat exchanged by the gas and indicate whether the gas takes in or gives up heat. Assume ideal gas behavior. Q=3492.27 O Q is realeased by gas O Q is absorbed by the gas

1. Two moles of helium gas are placed in a cylindrical container with a piston. The gas is at room temperature 30 °C and under a pressure of 2.9 105 Pa. When the pressure from the outside is decreased; while keeping the temperature the same as the room temperature, the volume of the gas doubles. Use that the gas constant R= 8.31 J/(mol K). Think: What kind of process is this? Isobaric, isothermal, adiabatic, isochoric or non-quasi- static? (a) Find the work the external agent does on the gas in the process. Wext agent (b) Find the heat exchanged by the gas and indicate whether the gas takes in or gives up heat. Assume ideal gas behavior. Q=3492.27 O Q is realeased by gas O Q is absorbed by the gas

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter10: Thermal Physics

Section: Chapter Questions

Problem 44P: A sealed cubical container 20.0 cm on a side contains a gas with three times Avogadros number of...

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