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PHY 182, Spring, 2005
Week 3
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Main Objectives:
- Be able to state the first law of thermodynamics
- Be able to apply the first law of thermodynamics to the solution of problems -
particularly those involving P-V diagrams
- Be able to state the second law of thermodynamics.
- Be able to discuss entropy in terms of its connection to order and disorder,
probablilities, and reversible versus irreversible processes.
- Be able to explain what is significant about the Carnot cycle.
- Be able to calculate the efficiency of an engine.
- Be able to explain the difference between the thermodynamic efficiency of an engine and
the actual efficiency.
- Be able to explain what we mean when we say that a refrigerator is an engine working in
reverse.
- Be able to explain what is meant by thermal pollution and how it is related to the
second law of thermodynamics.
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| Tuesday |
Continue to discuss the second law of thermodynamics in the context of
heat engines.. Outside of class: Read the rest of Ch 19, but skip pages
586-589. Complete workbook exercises 8, 10, 11, 17, and 19.
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| Thursday |
Discuss refrigerators and Carnot engines. Practice problems on heat
engines Outside of class: Complete Ch. 19 homework: 1, 5, 19, 22, 24,
40, 46, 52, and 57. (Due Friday) |
| Friday |
More practice problems on heat engines and review for exam. Outside
of class: Review for the exam. I highly recommend that you practice with Activ
Physics 8.8, 8.9, 8.10, 8.11, 8.12 and 8.14 in addition to reviewing your workbook and
homework problems. |
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