8th Edition

ISBN: 9781305581982

Author: Steven S. Zumdahl, Donald J. DeCoste

Publisher: Cengage Learning

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Chapter 10, Problem 137CP

One mole of an ideal gas undergoes an isothermal reversibleexpansion at 25°C. During this process, thesystem absorbs 855 J of heat from the surroundings.When this gas is compressed to the original state in onestep (isothermally), twice as much work is done on thesystem as was performed on the surroundings in theexpansion.
a. What is Δ S for the one-step isothermalcompression?
b. What is Δ S univ for the overall process (expansionand compression)?

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Chapter 10, Problem 136CP

Chapter 10, Problem 138CP

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Chemical Principles

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