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If you are told the initial and final states of a system

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 4DQ Chapter 19

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 4DQ

If you are told the initial and final states of a system and the associated change in internal energy, can you determine whether the internal energy change was due to work or to heat transfer? Explain.

Step-by-Step Solution:
Step 1 of 3

Solution 4DQ From the first law of thermodynamics, Q = W + U , where Qis the heat supplied to a system, W is the work done by the system and U is the change in internal energy of the system. Now, U = Q W , this means that the change in internal energy is influenced by heat supplied to the system and the work done by the system. If the system’s volume does not change during the process, then the work done by the system is zero (since W = PV ). Therefore, change in internal energy is completely due to the heat supplied to the system. If it is found that the volume of the system changes, then there will be a certain value of work done by the system. In this case, the change in internal energy may be both due to the heat supplied and the work done by the system.

Step 2 of 3

Chapter 19, Problem 4DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The full step-by-step solution to problem: 4DQ from chapter: 19 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: change, internal, Energy, initial, determine. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “If you are told the initial and final states of a system and the associated change in internal energy, can you determine whether the internal energy change was due to work or to heat transfer? Explain.” is broken down into a number of easy to follow steps, and 36 words. Since the solution to 4DQ from 19 chapter was answered, more than 344 students have viewed the full step-by-step answer.

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If you are told the initial and final states of a system