(a) Explanation Given info: The number of moles of the gas is 60.0 mol . Consider the figure shown below. Figure (1) The formula for the amount of work done is, W = Area under the PV curve =A rec ( ABCD ) + A tri ( DCE ) = P 1 ( V 3 − V 1 ) + 1 2 ( V 3 − V 1 ) ( P 2 − P 1 ) Here, P 1 is the initial pressure of the gas at point 1. V 1 is the initial volume of the gas at point 1. V 3 is the final volume of the gas at point 3. P 2 is the final pressure of the gas at point 3 (b) To determine The change in internal energy of the gas. (c) To determine The amount of heat added to the gas.

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ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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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 en…

Question

Chapter 18, Problem 78GP

(a)

To determine

The work done by the gas during the expansion along process 5 .

(b)

To determine

The change in internal energy of the gas.

(c)

To determine

The amount of heat added to the gas.

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Chapter 18, Problem 77GP

Chapter 18, Problem 79GP

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Chapter 18 Solutions

Physics (5th Edition)

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The work done by the gas during the expansion along process 5 .

Solution Summary: The author explains the work done by the gas during the expansion along process 5.

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The work done by the gas during the expansion along process 5 .

The change in internal energy of the gas.

The amount of heat added to the gas.

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Chapter 18 Solutions