Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 17 - Work, Heat, and the First Law of Thermodynamics - Exercises and Problems: 1

Answer

40 J of work is done on the gas.

Work Step by Step

We can calculate the work done as: $W = P\Delta V$ $W = P ~(V_f-V_i)$ $W = (2.00\times 10^5~Pa)(100\times 10^{-6}~m^3-300\times 10^{-6}~m^3)$ $W = -40~J$ The minus sign shows that 40 J of work is done on the gas.
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