4. Thermodynamics (no GlowScript): A 1.50-mol sample of an ideal diatomic gas is taken through the cycle shown in the figure. The process A→B is a reversible isothermal expansion. Note the units given in the pV-diagram (atm and liters). You may use latm = 105Pa, and 1000 liters = 1m³. A) In each of the three processes (A → B, B → C, and C → A) calculate: i. W, the work done by the gas. ii. AU, the change in internal energy. ii. Q, the heat transferred. iv. AS, the change in entropy. P (atm) Isothermal process The following table below may be helpful to keep track of everything. B) Using the information from part a), calculate the efficiency of the cycle. C) What would be the maximum thermal of a V (liters) 50 10 heat engine operating between the same two temperatures as cycle? D) Comment on the overall change in internal energy and entropy. Δυ AS A → B B → C C → A
4. Thermodynamics (no GlowScript): A 1.50-mol sample of an ideal diatomic gas is taken through the cycle shown in the figure. The process A→B is a reversible isothermal expansion. Note the units given in the pV-diagram (atm and liters). You may use latm = 105Pa, and 1000 liters = 1m³. A) In each of the three processes (A → B, B → C, and C → A) calculate: i. W, the work done by the gas. ii. AU, the change in internal energy. ii. Q, the heat transferred. iv. AS, the change in entropy. P (atm) Isothermal process The following table below may be helpful to keep track of everything. B) Using the information from part a), calculate the efficiency of the cycle. C) What would be the maximum thermal of a V (liters) 50 10 heat engine operating between the same two temperatures as cycle? D) Comment on the overall change in internal energy and entropy. Δυ AS A → B B → C C → A
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:4. Thermodynamics (no GlowScript):
A 1.50-mol sample of an ideal diatomic gas is taken through the cycle shown in the
figure. The process A→B is a reversible isothermal expansion. Note the units given in the
pV-diagram (atm and liters). You may use latm = 105Pa, and 1000 liters = 1m³.
A) In each of the three processes (A → B, B → C, and C → A) calculate:
i. W, the work done by the gas.
ii. AU, the change in internal energy.
iii. Q, the heat transferred.
iv. AS, the change in entropy.
P (atm)
Isothermal
process
The following table below may be helpful to
keep track of everything.
B) Using the information from part a), calculate
the efficiency of the cycle.
c) What would be the maximum thermal of a
- V (liters)
50
10
heat engine operating between the same two temperatures as cycle?
D) Comment on the overall change in internal energy and entropy.
Δυ
AS
A → B
B → C
C → A
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