659_Physics ProblemsTechnical Physics

659_Physics ProblemsTechnical Physics - 5 27 . TJ h; (c)...

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Chapter 22 661 P22.71 (a) 20 0 . ° C (b) Sm c T T mc T T T T T T ff f f =+= ⋅+ L N M O Q P =⋅ F H G I K J ln ln . . ln ln . ln 12 1 2 100 419 419 293 283 293 303 kg kJ kg K kJ K bg b g (c) S =+ 488 . JK (d) Yes . Entropy has increased. ANSWERS TO EVEN PROBLEMS P22.2 (a) 667 J; (b) 467 J P22.34 (a), (b) see the solution; (c) Q h = 149 J; Q c = 65 0 . J ; W eng J = 84 3 . ; P22.4 (a) 30 0% . ; (b) 60 0% . (d) 56.5%; (e) 142 10 3 . × rev min P22.6 55 4% . P22.36 488 . kJ kg K P22.8 77 8 . W P22.38 (a) isobaric; (b) 402 kJ; (c) 120 . k JK P22.10 (a) 869 MJ; (b) 330 MJ P22.40 327 . JK P22.12 197 kJ P22.42 718 J K P22.14 546 ° C P22.44 (a) 39 4 . L; (b) 250 . kJ; (c) 250 . k J ; (d) 687 . J K ; (e) + 916 . JK P22.16 33 0% . P22.46 0507 . J K P22.18 (a) 512% . ; (b) 527 .
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Unformatted text preview: 5 27 . TJ h; (c) see the solution P22.48 34 6 . J K P22.20 453 K P22.50 (a) 2 heads and 2 tails; (b) All heads or all tails; P22.22 (a), (b) see the solution; (c) 2 heads and 2 tails (c) 23 7% . ; see the solution P22.52 8 36 . MJ K P22.24 11.8 P22.26 1 17 . J P22.54 32 9 . kJ P22.28 (a) 204 W ; (b) 2 43 . kW P22.56 see the solution P22.30 (a) 2 00 . ; (b) 3 00 . ; (c) 33 3% . P22.58 (a) 2 62 10 3 . tons d; (b) $7.65 million yr ; (c) 4 06 10 4 . kg s P22.32 (a) 51 2% . ; (b) 36 2% ....
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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