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Chapter 15: The Laws of Thermodynamics

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Physics Principles with Applications
Pages: 412 - 442
Physics Principles with Applications

Physics Principles with Applications

Book edition 7th
Author(s) Douglas C. Giancoli
Pages 978 pages
ISBN 978-0321625922

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99 Questions for Chapter 15: The Laws of Thermodynamics

  1. Found on Page 412

  2. Question:You are asked to test a machine that the inventor calls an “in-room air conditioner”: a big box, standing in the middle of the room, with a cable that plugs into a power outlet. When the machine is switched on, you feel a stream of cold air coming out of it. How do you know that this machine cannot cool the room?

    Found on Page 412

  3. Found on Page 412

  4. Found on Page 412

  5. Can you warm a kitchen in winter by leaving the oven door open? Can you cool the kitchen on a hot summer day by leaving the refrigerator door open? Explain.

    Found on Page 412

  6. In an isothermal process, 3700 J of work is done by an ideal gas. Is this enough information to tell how much heat has been added to the system? If so, how much? If not, why not?

    Found on Page 412

  7. Can mechanical energy ever be transformed completely into heat or internal energy? Can the reverse happen? In each case, if your answer is no, explain why not, if yes, give one or two examples.

    Found on Page 412

  8. Can the temperature of a system remain constant even though heat flows into or out of it? If so, give examples.

    Found on Page 412

  9. Explain why the temperature of a gas increases when it is compressed adiabatically.

    Found on Page 412

  10. An ideal monatomic gas expands slowly to twice its volume (1) isothermally; (2) adiabatically; (3) isobarically. Plot each on a PV diagram. In which process \(\Delta U\) is the greatest, and in which is \(\Delta U\) the least? In which is W the greatest and the least? In which is Q the greatest and the least?

    Found on Page 412

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