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. W ext 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= 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. W ext 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= 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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