final132_2077

# final132_2077 - PHY 132 Final Exam Name Q.1 Q.2 Q.3 Q.4 Q.5...

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1. A monatomic gas follows the process 1 ! 2 ! 3 as shown in the figure. (a) How much heat is needed (or released) for the process 1 ! 2? Give your answer in Joules. (b) How much heat is needed (or released) for the process 2 ! 3? Give your answer in Joules. (c) Is it possible to go from 3 back to 1 through adiabatic compression? Comment.
I (^., Q= vtCp zT Cn=Eac*--*-;-3-tS (L) Q'- n C'/ ^r ?rv, '- ttf. ?, ,t, - ^RD q'- 2 L ,"e (rr-T"; = (c) N " i1- i" '-t' t -+l'<4A +^T"r4-"' "-i4 C, -' 1K 2 r\k,4- t-'/, L 1 (sos "i* t't^' 3 ct-J'q q) T 3 a'.*- "n 4- b^'^+ d%"

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2. A large closed bag of plastic contains 0.10 m 3 of helium at an initial temperature of 10 ° C and at the same pressure as the surrounding atmosphere, 1.0 atm. You place this bag in the sun and let the gas warm up and expand to 0.11 m 3 . During this process, the gas absorbs 840 cal of energy by heat. Assume the bag is large enough so the gas never strains against it.
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final132_2077 - PHY 132 Final Exam Name Q.1 Q.2 Q.3 Q.4 Q.5...

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