A sample of gas in a balloon is compressed from 4.50 L to 1.00 L by an
Question:
A sample of gas in a balloon is compressed from 4.50 L to 1.00 L by an external pressure of 1.25 atm . At the same time, 60.0 J of heat is generated. Calculate ΔE.
Strategy
Calculate work using Pext and ΔV, and determine the proper sign on heat. Then use the mathematical statement of the first law of thermodynamics to determine ΔE.
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The change in volume is 100 L 450 L 450 L 350 L First calculate work w Pext AV 125 atm ...View the full answer
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Related Book For 
Chemistry Principles And Practice
ISBN: 9780534420123
3rd Edition
Authors: Daniel L. Reger, Scott R. Goode, David W. Ball
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