Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 19 - Work, Heat, and the First Law of Thermodynamics - Exercises and Problems: 1

Answer

The work done on the gas is -80 J

Work Step by Step

We can calculate the work done on the gas as: $W = -P\Delta V$ $W = -P ~(V_f-V_i)$ $W = -(4.00\times 10^5~Pa)(300\times 10^{-6}~m^3-100\times 10^{-6}~m^3)$ $W = -80~J$ The work done on the gas is -80 J.
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