quiz2Su07K - Thermodynamics, Electrochemistry, Kinetics and...

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Unformatted text preview: Thermodynamics, Electrochemistry, Kinetics and Organic Structures Chem 14B UCLA Summer 2007 Quiz # 2 A and B Student _______KEY_____________ Discussion Session_____________________________ Before handing in your quiz, read and sign the following: On my honor, I have neither given nor received any aid in this quiz. Signature ____________________________________ Discussion session circle one 142043130 DIS1A Stephanie Wolahan 142043230 DIS1B Stephanie Wolahan 142043330 DIS1C Chris Tassone 142043430 DIS1D Chris Tassone Page 2 3 max Obt TOTAL /50 If you believe there is an error in the grading of your quiz; write an explanation, attach it to the quiz and hand in both to the instructor within one week. Write in ink and show work if you want the opportunity to have your quiz regarded. DO NOT TURN THIS PAGE UNTIL YOU ARE ADVISED TO DO SO 2 1. Consider the following processes. (Treat all gases as ideal) a) The pressure of one mol of oxygen is allowed to double isothermally b) Carbon dioxide is allowed to expand isothermally to 10 times its original volume Which of these processes leads to an increase in entropy? b 1. Consider the following processes. (Treat all gases as ideal) a) The temperature of one mol of helium is increased 25 C at constant pressure b) Nitrogen gas is compressed isothermally to one half of its original volume. Which of these processes leads to an increase in entropy? a 2. For the following constant temperature process, give the sign (+,-, or 0) for each of the specified thermodynamic functions. In each case give a brief account of your reasoning w = 0 no volume change...
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This note was uploaded on 03/06/2012 for the course CHEM 14A 142042200 taught by Professor Lavelle during the Summer '10 term at UCLA.

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quiz2Su07K - Thermodynamics, Electrochemistry, Kinetics and...

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