••49 GO Figure 18-42 represents a p closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from a to c along the path abc is -200 J. As it moves from c to d, 180 J must be transferred to it as heat. An additional transfer of 80 J to it as heat is needed as -V it moves from d to a. How much work is Figure 18-42 Problem 49. done on the gas as it moves from c to d? b d

••49 GO Figure 18-42 represents a p closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from a to c along the path abc is -200 J. As it moves from c to d, 180 J must be transferred to it as heat. An additional transfer of 80 J to it as heat is needed as -V it moves from d to a. How much work is Figure 18-42 Problem 49. done on the gas as it moves from c to d? b d

College Physics

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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)...

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Concept explainers

First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

Question

Þ
•.49 GO Figure 18-42 represents a
closed cycle for a gas (the figure is not
drawn to scale). The change in the
internal energy of the gas as it moves
from a to c along the path abc is -200 J.
As it moves from c to d, 180 J must be
transferred to it as heat. An additional
transfer of 80 J to it as heat is needed as
it moves from d to a. How much work is Figure 18-42 Problem 49.
done on the gas as it moves from c to d?
V
b
a
'd

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The figure displays a closed cycle for a gas (the figure is not drawn to scale). The change in the internal energy of the gas as it moves from a to c along the path abc is -202 J. As it moves from c to d, 181 J must be transferred to it as heat. An additional transfer of 88.4 J to it as heat is needed as it moves from d to a. How much work is done by the gas as it moves from c to d? Number wp Units -V