quiz1Su08BK - Thermodynamics, Electrochemistry, Kinetics...

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Thermodynamics, Electrochemistry, Kinetics and Organic Structures Chem 14B UCLA Summer 2008 Quiz # 1B Student ___________KEY_______ 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 Rachael Harper 142043230 DIS1B Rachael Harper 142043330 DIS1C Selma Duhovic 142043430 DIS1D Selma Duhovic Page 2 3 4 max Obt 20 15 15 TOTAL /50 Each question is worth 5 points. 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
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2 1. Give an example of: a) an open system ANSWERS VARY BUT THIS SYSTEM ALLOWS THE FLOW OF MATTER AND ENERGY b) a closed system ANSWERS VARY BUT THIS SYSTEM DOES NOT ALLOW THE FLOW OF MATTER, ONLY OF ENERGY 2. A gas sample is heated in a cylinder by supplying 524 kJ of heat, at the same time a piston compressed the gas, doing 340 kJ of work. What is the change in internal energy of the gas during this process?
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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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quiz1Su08BK - Thermodynamics, Electrochemistry, Kinetics...

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