Eg 8 A Carnot engine operates between two heat sources at 27 °C and 127 °C. In one cycle, the external work is 2.0×105 J. Try to find out how much heat the engine absorbs and how much heat it gives off in one cycle.

Eg 8 A Carnot engine operates between two heat sources at 27 °C and 127 °C. In one cycle, the external work is 2.0×105 J. Try to find out how much heat the engine absorbs and how much heat it gives off in one cycle.

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)...

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Question

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Please how to solve this questions

istant;
(D) (D) The temperature may increase, or it may decrease or
remain the same.
0-ДЕ+ W
Carnot cycle
Q
т,
a
Wnet >0
Carnot
positive
Q = Q1 - Q2
Q2
T,
суycle
Q1-Q;=Wner>0
net
V½ V3
W =1-
T,
=1-
Carnot
efficiency
T
Eg 8 A Carnot engine operates between two heat
sources at 27 °C and 127 °C. In one cycle, the
external work is 2.0×105 J. Try to find out how
much heat the engine absorbs and how much heat it
gives off in one cycle.
A
efficiency 7 =
9-2 _ T, -T,
T
hot temperature T = 127+273 = 400K
low temperature T, = 27+ 273 = 300K
absorb Q = 8×10°J
release Q, = 6×10°J

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