Goal Solve for the performance coefficient of a refrigerator using a five- step process the includes: 1. Making a state table. 2. Making a process table. 3. Calculating the totals for Work, Heat, and Internal-Energy-Change. 4. Identifying the heat input (cold reservoir) and output (hot reservoir). 5. Calculating the performance coefficient of the refrigerator. Problem Shown in the figure to the right is a cyclic process undergone by a refrigerator. Your refrigerator shall use 7.0 moles of helium gas (monatomic). During the process a->b, the volume increases by a factor of 3.0. Solution (1) Fill in the State Table (all pressures in Pascals, all volumes in cubic meters, all temperatures in K). (2) Fill in the Process Table (all entries in Joules). (3) Find the Totals: (4) Find the heat input (from "cold reservoir") and the heat output (to "hot reservoir"): a b C Pressure a->b b->c c->a Work Work = Heat = dU = Q-hot = Q-cold = T₂ Volume Heat a P₁ = 100,000 Pa Refrigerator Cycle J J J J J = 300 K isothermal du b Temperature
Goal Solve for the performance coefficient of a refrigerator using a five- step process the includes: 1. Making a state table. 2. Making a process table. 3. Calculating the totals for Work, Heat, and Internal-Energy-Change. 4. Identifying the heat input (cold reservoir) and output (hot reservoir). 5. Calculating the performance coefficient of the refrigerator. Problem Shown in the figure to the right is a cyclic process undergone by a refrigerator. Your refrigerator shall use 7.0 moles of helium gas (monatomic). During the process a->b, the volume increases by a factor of 3.0. Solution (1) Fill in the State Table (all pressures in Pascals, all volumes in cubic meters, all temperatures in K). (2) Fill in the Process Table (all entries in Joules). (3) Find the Totals: (4) Find the heat input (from "cold reservoir") and the heat output (to "hot reservoir"): a b C Pressure a->b b->c c->a Work Work = Heat = dU = Q-hot = Q-cold = T₂ Volume Heat a P₁ = 100,000 Pa Refrigerator Cycle J J J J J = 300 K isothermal du b Temperature
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
Related questions
Question
![Complete Analysis of a Refrigerator
Goal Solve for the performance coefficient of a refrigerator using a five-
step process the includes:
1. Making a state table.
2. Making a process table.
3. Calculating the totals for Work, Heat, and Internal-Energy-Change.
4. Identifying the heat input (cold reservoir) and output (hot reservoir).
5. Calculating the performance coefficient of the refrigerator.
Problem Shown in the figure to the right is a cyclic process undergone by
a refrigerator. Your refrigerator shall use 7.0 moles of helium gas
(monatomic). During the process a->b, the volume increases by a factor of
3.0.
Solution
(1) Fill in the State Table (all pressures in Pascals, all
volumes in cubic meters, all temperatures in K).
(2) Fill in the Process Table (all entries in Joules).
(3) Find the Totals:
(4) Find the heat input (from "cold reservoir") and
the heat output (to "hot reservoir"):
(5) Find the performance coefficient of the
refrigerator:
a
b
C
Pressure
a->b
b->c
c->a
Work
Work =
Heat =
dU =
Q-hot
Q-cold =
=
Coefficient =
P
T₂ = 300 K
a
Volume
P₁ = 100,000 Pa
Refrigerator Cycle
Heat
a
J
J
J
J
J
isothermal
du
b
Temperature
V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F28817286-e33e-4da2-855a-ee54d7dc063b%2F0647881a-bed6-4407-907b-315b40dfa271%2Flc9bq5p_processed.png&w=3840&q=75)
Transcribed Image Text:Complete Analysis of a Refrigerator
Goal Solve for the performance coefficient of a refrigerator using a five-
step process the includes:
1. Making a state table.
2. Making a process table.
3. Calculating the totals for Work, Heat, and Internal-Energy-Change.
4. Identifying the heat input (cold reservoir) and output (hot reservoir).
5. Calculating the performance coefficient of the refrigerator.
Problem Shown in the figure to the right is a cyclic process undergone by
a refrigerator. Your refrigerator shall use 7.0 moles of helium gas
(monatomic). During the process a->b, the volume increases by a factor of
3.0.
Solution
(1) Fill in the State Table (all pressures in Pascals, all
volumes in cubic meters, all temperatures in K).
(2) Fill in the Process Table (all entries in Joules).
(3) Find the Totals:
(4) Find the heat input (from "cold reservoir") and
the heat output (to "hot reservoir"):
(5) Find the performance coefficient of the
refrigerator:
a
b
C
Pressure
a->b
b->c
c->a
Work
Work =
Heat =
dU =
Q-hot
Q-cold =
=
Coefficient =
P
T₂ = 300 K
a
Volume
P₁ = 100,000 Pa
Refrigerator Cycle
Heat
a
J
J
J
J
J
isothermal
du
b
Temperature
V
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 6 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
![(4) Find the heat input (from "cold reservoir") and
the heat output (to "hot reservoir"):
(5) Find the performance coefficient of the
refrigerator:
Q-hot
Q-cold
=
Coefficient =
J
J](https://content.bartleby.com/qna-images/question/28817286-e33e-4da2-855a-ee54d7dc063b/0a43f1f2-61aa-4c5b-aecb-2fade350ac51/jbq2dxl_thumbnail.png)
Transcribed Image Text:(4) Find the heat input (from "cold reservoir") and
the heat output (to "hot reservoir"):
(5) Find the performance coefficient of the
refrigerator:
Q-hot
Q-cold
=
Coefficient =
J
J
Solution
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Recommended textbooks for you
![College Physics](https://www.bartleby.com/isbn_cover_images/9781305952300/9781305952300_smallCoverImage.gif)
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
![University Physics (14th Edition)](https://www.bartleby.com/isbn_cover_images/9780133969290/9780133969290_smallCoverImage.gif)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
![Introduction To Quantum Mechanics](https://www.bartleby.com/isbn_cover_images/9781107189638/9781107189638_smallCoverImage.jpg)
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
![College Physics](https://www.bartleby.com/isbn_cover_images/9781305952300/9781305952300_smallCoverImage.gif)
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
![University Physics (14th Edition)](https://www.bartleby.com/isbn_cover_images/9780133969290/9780133969290_smallCoverImage.gif)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
![Introduction To Quantum Mechanics](https://www.bartleby.com/isbn_cover_images/9781107189638/9781107189638_smallCoverImage.jpg)
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
![Physics for Scientists and Engineers](https://www.bartleby.com/isbn_cover_images/9781337553278/9781337553278_smallCoverImage.gif)
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
![Lecture- Tutorials for Introductory Astronomy](https://www.bartleby.com/isbn_cover_images/9780321820464/9780321820464_smallCoverImage.gif)
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
![College Physics: A Strategic Approach (4th Editio…](https://www.bartleby.com/isbn_cover_images/9780134609034/9780134609034_smallCoverImage.gif)
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON