A heat engine with an efficiency of 35% takes in 1100 J of heat from the high-temperature reservoir in each a. How much work does the engine do in each cycle? b. How much heat is released to the low-temperature reservoir?

A heat engine with an efficiency of 35% takes in 1100 J of heat from the high-temperature reservoir in each a. How much work does the engine do in each cycle? b. How much heat is released to the low-temperature reservoir?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 8P

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Question

100%

E4 part A and B - how to solve

E2.
A heat engine with an efficiency of 28% does 700 J of work in each cycle. How much heat must be supplie
high-temperature source in each cycle?
E3.
In one cycle, a heat engine takes in 800 J of heat from a high-temperature reservoir and releases 472 J of he
temperature reservoir.
a. How much work is done by the engine in each cycle
b. What is its efficiency?
E4.
A heat engine with an efficiency of 35% takes in 1100 J of heat from the high-temperature reservoir in each
a. How much work does the engine do in each cycle?
b. How much heat is released to the low-temperature reservoir?
In one cycle, a heat engine does 700 J of work and releases 1100 J of heat to a lower-temperature reservoir.
a. How much heat does it take in from the higher-temperature reservoir?
b. What is the efficiency of the engine?
E5.
E6.
A Carnot engine takes in heat at a temperature of 780 K and releases heat to a reservoir at a temperature of 360
is its efficiency?
E7
A Carnot engine takes in heat from a reservoir at 500°C and releases heat to a lower-temperature reservoir at 18C
What is its efficiency? _ <A]
E8.
A Carnot engine operates between temperatures of 800 K and 560 K and does 147 J of work in each cycle.
a. What is its efficiency?
b. How much heat does it take in from the higher-temperature reservoir in each cvele?
E9.
A heat pump takes in 450 J of heat from a low-temperature reservoir in each cyele and uses 200 J of work per cycle
move the heat to a higher-temperature reservoir, How much heat is released to the higher-temperature reservoir in e
cycle?
E10.
In each cycle of its operation, a refrigerator removes 24 J of heat from the inside of the refrigerator and releases 56 J
heat into the room. How much work per cycle is required to operate this refrigerator?
El1.
A typical electric refrigerator (see fig. 11.9 2) has a power rating of 500 W. which
the rot
enerm

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