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A 15.0-L volume of an ideal gas in a cylinder with at piston is at a pressure of 2.8 atm. Enough weight is suddenly removed from the piston to lower the external pressure to 1.4 atm. The gas then expands at constant temperature until its pressure. is 1.4 atm. The change in the internal energy of a system, AE, for an isothermal expansion of an ideal gas is 0. Use this information in your calculations for this problem. Part B Find the change in enthalpy, AH, for this change in state Express your answer using two significant figures. ΔΗ» Submit 195] ΑΣΦΑ đ độ Request Answer √x √x xxx ? X-10" €3 40 J

A 15.0-L volume of an ideal gas in a cylinder with at piston is at a pressure of 2.8 atm. Enough weight is suddenly removed from the piston to lower the external pressure to 1.4 atm. The gas then expands at constant temperature until its pressure. is 1.4 atm. The change in the internal energy of a system, AE, for an isothermal expansion of an ideal gas is 0. Use this information in your calculations for this problem. Part B Find the change in enthalpy, AH, for this change in state Express your answer using two significant figures. ΔΗ» Submit 195] ΑΣΦΑ đ độ Request Answer √x √x xxx ? X-10" €3 40 J

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 17P
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A 15.0-L volume of an ideal gas in a cylinder with at piston is at a pressure of 2.8 atm. Enough weight is suddenly removed from the piston to lower the external pressure to 1.4 atm. The gas then expands at constant temperature until its pressure. is 1.4 atm. The change in the internal energy of a system, AE, for an isothermal expansion of an ideal gas is 0. Use this information in your calculations for this problem. Part B Find the change in enthalpy, AH, for this change in state. Express your answer using two significant figures. 195] ΑΣΦΑ ΔΗ» Submit độ Request Answer √x xxxx ? X-10" €3 40 J
Transcribed Image Text:A 15.0-L volume of an ideal gas in a cylinder with at piston is at a pressure of 2.8 atm. Enough weight is suddenly removed from the piston to lower the external pressure to 1.4 atm. The gas then expands at constant temperature until its pressure. is 1.4 atm. The change in the internal energy of a system, AE, for an isothermal expansion of an ideal gas is 0. Use this information in your calculations for this problem. Part B Find the change in enthalpy, AH, for this change in state. Express your answer using two significant figures. 195] ΑΣΦΑ ΔΗ» Submit độ Request Answer √x xxxx ? X-10" €3 40 J
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