E45ClassQuiz_11 2006

E45ClassQuiz_11 2006 - or(c either reversibly or...

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E45: Quiz 10/4/06 NAME:_______________________________________________________________ 1. Fill in the blank with either, (a) greater than, (b) less than, or (c) equal to. In lecture, the work to isothermally expand an ideal gas from (P 1 , V 1 ) to (P 2 , V 2 ), where P 1 >P 2 and V 1 <V 2 , was calculated for a reversible expansion and an irreversible expansion. The absolute value of the work done by the ideal gas in the reversible expansion is _(a)__ the absolute value of the work done by the ideal gas in the irreversible expansion. 2. True or False. A reaction performed reversibly is at equilibrium. 3. Fill in the two blanks with the appropriate choice(s): (a) reversibly, (b) irreversibly,
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Unformatted text preview: or (c) either reversibly or irreversibly. (a) To calculate the entropy of a system that changes in a reversible manner from State 1 to State 2, it is necessary to determine the change in heat when the system is changed ____ (a) ______ from State 1 to State 2. (b) To calculate the entropy of a system that changes in an irreversible manner from State 1 to State 2, it is necessary to determine the change in heat when the system is changed ____ (a) _____ from State 1 to State 2....
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