Quiz7 - First three Ietters of your family name Quizrc2...

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Unformatted text preview: First three Ietters of your family name Quizrc2 Grading: W ewevr‘uob, > O W {mum ah < O a LUCKY {no} > O Q \{ayl‘u c1. 4 0 Consider the processes (A)-(D) shown on the PV diagrams to the right. In each process, three moles of a monoatomic ideal gas are brought from some initial state 3' to some final state f. The volume is in units of 10—32013 and pressure is in units of 10513:; (a) Among the quantities AU, Q and EV, which ones are state functions and which ones are not? Explain clearly. v 150 [S (X STCU—Q gouciuou \T Aquequ Ouilb ou LJ g arW OWL {Ur auroral [)U'stcu Jeride game/[LORI (b) Rank the different processes in order of which has the greatest magnitude of work. In doing so, find the work for each process specifying if it is leaving or entering the system. a .. . (A) w = -(a—I)r5 x to J ’ _ {000T gm “mgr _ c _ . (A) 3 (‘9 4g)le CH!» w-ICLIM +(s-'L_('°"'ai“°LI= - WM "“""“3 chfl’an K 3 03) Q3) W: ~6~|)lfl§:- -—- ADO—J— [ccwiuar (c) Rank the different processes in order of which has the greatest magnitude of change in internal energy firU. In doing so, find AU for each process. (ow ati = ”‘. *‘-,R’Ui -T-,?eU£,_= —. , T:; k. DU V‘CVbi ] ‘L-fi I ‘F TIL LZZOI‘I’) {- (1 (d) For each process find the amount of heat Q leaving/entering the system. ov a 3 [L AU~Q z l50T~ (40001 = W I A WP; : "—3 Wb= -- -— =1§o§-(-Lloo ’3): 550T ‘ v r— Wc, "— -' 1 “god—"(4003) "’ (ego: :- i50 3 ' /-’ 8:0 J” PLEASE TURN PAGE- 2. Consider an isochoric process (Le. constant V) that brings three moles of an ideal gas from some initial state to some final state. During the process the temperature of the gas goes from Ti 2 300K to T; = 450K and 5609J of heat enter the system. ' (a) Determine if the gas is monoatomic or diatomic= clearly showing your reasoning. V, LoacTwT «=9 W=¢> 5*" 9.:(30 go aaqg I: VIOU DT 3. Consider an isothermal process (i.e. constant T) that brings three moles of an ideal gas from some initial state to some final state. During the process 2000J of work enter the system. (a) Find the amount of heat entering/ leaving the system, clearly explaining your reasoning You might need: AU = Q + W a z 8.31mjK Na 2 6.0 X 1023 pix" = nRT ...
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Quiz7 - First three Ietters of your family name Quizrc2...

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