Problem 4.4 A domestic refrigerator is loaded with food and the door is closed. During a certain period, the machine consumes 1 kWh of energy and the internal energy of the system drops by 5000 kJ. Find the net heat transfer for the system?

Problem 4.4 A domestic refrigerator is loaded with food and the door is closed. During a certain period, the machine consumes 1 kWh of energy and the internal energy of the system drops by 5000 kJ. Find the net heat transfer for the system?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter15: Thermodynamics

Section: Chapter Questions

Problem 1CQ: Describe the photo of the tea kettle at the beginning of this section in terms of heat transfer,...

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Concept explainers

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.

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Problem 4.4
A domestic refrigerator is loaded with food and the door is closed. During a certain period,
the machine consumes 1 kWh of energy and the internal energy of the system drops by
5000 kJ. Find the net heat transfer for the system?

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