Part A How much heat must be removed from the water? Express your answer in joules. IQcl = J Submit Request Answer Part B How much work energy must be supplied to the refrigerator? Express your answer in joules. W =

Part A How much heat must be removed from the water? Express your answer in joules. IQcl = J Submit Request Answer Part B How much work energy must be supplied to the refrigerator? Express your answer in joules. W =

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

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 11P

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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

An ice-making machine operates as a Carnot refrigerator. It takes heat from water at 0.0 ° C and exhausts the heat into a room at 21.0 ° C. Suppose that it converts 82.5 kg of water at 0.0 °C into ice at 0.0 °C.
Part A
How much heat must be removed from the water?
Express your answer in joules.
Πν ΑΣφ
?
|Qc| =
J
Submit
Request Answer
Part B
How much work energy must be supplied to the refrigerator?
Express your answer in joules.
Nν ΑΣφ
?
W =
J
Submit
Request Answer

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