Giancoli's Physics: Principles with Applications, 7th Edition
15
The Laws of Thermodynamics
Change chapter

15-1 and 15-2: First Law of Thermodynamics
15-3: Human Metabolism
15-5: Heat Engines
15-6: Refrigerators, Air Conditioners, Heat Pumps
15-7: Entropy
15-10: Statistical Interpretation
15-11: Energy Resources

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 4
Q

# A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 254 kcal of heat is added to the gas, the volume is observed to increase slowly from $12.0 \textrm{ m}^3$ to $16.2 \textrm{ m}^3$. Calculate

1. the work done by the gas and
2. the change in internal energy of the gas.
A
1. $4.25 \times 10^5 \textrm{ J}$
2. $6.38 \times 10^5 \textrm{ J}$

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