Spring - Midterm from Fall Semester

Spring - Midterm from Fall Semester - Name:_ Midterm 161A...

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Name:_________________________ Midterm 161A Fall Semester 2009 – October 15 Show ALL of your WORK! 1) Which are extensive and intensive properties. (2 points) Circle the extensive variables: a) Volume b) Pressure c) Temperature d) Number of particles e) Energy 2) Circle which of the below are state functions. (2 points) a) work b) Energy c) Temperature d) Heat e) Volume f) Pressure
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3) A reversible transformation is interrupted somewhere along its path. a) Is the system at equilibrium? Explain. (3 points) b) How about if an irreversible transformation was interrupted? Explain. (3 points) c) Why don’t we see truly reversible transformations? (5 points)
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5) Derive the expression for work of an ideal gas under the following conditions use: Show all of your work and give a brief justification for the important steps in the derivation.(20 points) a. Isobaric Expansion (constant Pressure) (3 points) b. Free expansion (no external pressure) (2 points) c. Isothermal Expansion (constant Temperature and moles) (5 points)
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Spring - Midterm from Fall Semester - Name:_ Midterm 161A...

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