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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

Using the first law of thermodynamics, explain why the total energy of an isolated system is always constant.

To determine
Why the total energy of an isolated system is always constant, using the first law of thermodynamics.

Explanation

The first law of thermodynamics is,

ΔU=Q+W

  • Q is the energy exchanged by the system
  • W is the work done on the system

An isolated system

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