4. Calculate the change in entropy if 3 moles of a gas undergo an isothermal, reversible expansion at 373 K in which the pressure is decreased to 1/3 of its initial value.
4. Calculate the change in entropy if 3 moles of a gas undergo an isothermal, reversible expansion at 373 K in which the pressure is decreased to 1/3 of its initial value.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.3: Entropy: A Microscopic Understanding
Problem 2RC
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4. Calculate the change in entropy if 3 moles of a gas undergo an isothermal, reversible expansion at 373 K in which the pressure is decreased to 1/3 of its initial value.
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Step 1
Entropy is a measure of randomness of system due to excess of energy in it In isothermal condition of a constant temperature of 373 entropy can be calculated as below
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