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    Physics For Global Scientists
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    Exam 22: The Second Law of Thermodynamics, Heat Engines and Entropy
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    An Ideal Gas Is Allowed to Expand Adiabatically
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An Ideal Gas Is Allowed to Expand Adiabatically

Question 23

Question 23

Multiple Choice

An ideal gas is allowed to expand adiabatically. Assume the process is reversible. The change in entropy is:


A) 0
B) nR ln (V2/V1)
C) nR ln (T2/T1)
D) kn ln (V2/V1)
E) kn ln (T2/T1)

Correct Answer:

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