Exercícios Resolvidos Termodinâmica Shapiro 8ª edição, Exercícios de Termodinâmica

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MATERIALSUPLEMENTARPARAACOMPANHAR

3.144 (b) 8%

4.102 (a) 31,2%

Capítulo 6

6.3 (b) 7,7622, (d) 1331, 6.7 (a) 368,8; 638, 6.10 40; 524, 6.11 –0, 6.13 (a) 800, (b) –3, 6.16 0, 6.20 Processo 1-2:0; –254, 6.23 65,6; 873, 6.28 (b) 375, (c) –29, 6.30 (a) 1000, (b) 50% 6.33 (a) p 1 = 64,150, (c) 75% 6.36 s < 0; não possível 6.39 (a) 596, (c) 0, 6.42 (a) –1872,9, (b) 2, 6.46 Não 6.49 Não, do sistema 6.54 Afirmação inválida 6.57 (b) 0, 6.60 (a) 83, (b) 1, 6.64 (b) 3, (c) 0, 6.68 (a) 0, 6.74 (b) T H ≥ T (^9) H, T (^9) C ≥ T C 6.78 5,72 3 105 6.80 Incorreto 6.82 (a) –121,6, (b) 0, 6.86 0, 6.89 (b) 0, 6.92 0, 6.93 (b) 35 6.97 Obedece a Primeira Lei, mas não a Segunda; não pode operar como afirmado 6.101 (a) –8,53, (b) 0, 6.106 (b) 3, 6.108 (a) de 2 para 1, (c) 0, 6.111 (b) 577, 6.114 (c) 1, 6.117 489, 6.121 (a) 111, (b) 30, 6.125 (c) 107 6.128 84,95; 410, 6.131 2162 6.134 (a) 705,6, (c) 88,9% 6.136 mistura bifásica líquido-vapor, 91,5% 6.140 (b) 11,56, (c) 6, 6.143 (a) 94,7%, (b) 0, 6.147 (a) 0,0308, (b) 90,3% 6.151 (b) –105,6, 78,4% 6.154 (b) 95,4% 6.156 (a) 2949, (c) 0, 6.159 (a) 4, 6.163 (a) 117, (b) 33,2% 6.166 354, 6.169 (c) 18,3% 6.173 (a) –69,5; –13, 6.177 – 6.181 Não 6.184 1, 6.186 (a) 89, (b) 81,

7.105 (a) 840,9, (b) 65,67, (c) 92,8% 7.108 (a) 87%, (b) 83,5% 7.111 (a) 3136,5; 621,12; (b) 80%; 83,5% 7.121 (b) ε > 70% 7.123 (a) 35,82, (b) 8,84% 7.126 (a) 1190, (b) 86.397, (c) 74,04%

Capítulo 9

9.1 (b) 51,5%, (c) 9, 9.3 (a) 0,672, (c) 50,6% 9.6 51,1, 118, 9.11 (c) 53,3%, (d) 142, 9.13 (b) 52,1%, (c) 9, 9.17 (a) 0,1243, (b) 16,2% 9.20 (b) 2,19, (c) 59,7% 9.24 (a) 1,7, (d) 58,7% 9.26 (a) 2,0, (d) 56,51% 9.34 (c) 51,9%, (d) 949, 9.37 (c) 57,2%, (d) 1, 9.42 (a) 21,54, (c) 48,1% 9.46 (a) 48,2%, (c) 2386 9.49 (a) 50,9%, (c) 1041 9.53 (b) 43,15, (d) 26,12% 9.59 (a) 21,54, (c) 59,9% 9.62 (a) 32,8%, (c) 1151, 9.66 (a) 395,5, (c) 59,5% 9.69 (a) 26,2%, (c) 65,2% 9.73 (a) 3,16, (c) 394, 9.75 106, 9.79 (a) 0,541, (c) 39,8% 9.83 (a) 43,6%, 4036 9.87 (b) 57,61, (d) 3004 9.89 3215 9.92 (a) 10, (b) 296, 9.95 (a) 215,4, (b) 56,6% 9.97 (a) 239,3; 30,4; (b) 49,4% 9.101 (a) 233,6, (b) 74% 9.105 – 5950 9.109 – 492, 9.113 (a) 619,2, (b) 340, 9.117 (a) 1,031; 929,9; 196 9.122 (a) 418,9; 4, 9.125 (a) 0, 9.126 (b) 0,576, (c) 0, 9.129 (a) 19,76, (b) 0, 9.133 4, 9.135 749,6; 0, 9.138 (a) 1,53, (b) 0,

10.21 (a) 0,144, (b) 55,36, (c) 2,71, (d) 88,8%

12.69 (a) 0,0081, 43,6%, (b) 0,0076, 41,2%

• Capítulo
• 1.5 (a)
• 1.9 (a) Ar: 579,
• 1.11 2,
• 1.14 82.
• 1.20 (b) 12; 0, 1.16 para baixo
• 1.23 (a) 1,
• 1.27 3,
• 1.32 (a) 5,
• 1.35 750; 29,
• 1.38 30,
• 1.43 23,
• 1.47
• 1.49 3,
• 1.52 297,15; 534,87; 75,
• 1.57 (a) manhã: 501,67; 278,71; 5,56; meio-dia: 529,67; 294,26; 21,
• Capítulo
• 2.3 35,75;
• 2.6 –
• 2.10 151,
• 2.12
• 2.16 11,
• 2.19 9,
• 2.22
• 2.25 (a) 1,1996, (b) 0,
• 2.28 (a) 2; –12, (b) 0,8; –7,33, (c) 0,608; –6,
• 2.31 725,
• 2.33 Processo 1-2: 0, Processo 2-3: –554,5, Processo 3-4: –
• 2.36 (a) 0,096 Btu/s, 0,136 hp, (b) 5,
• 2.38 (a) 20, (b)
• 2.41
• 2.44 –1,25 3 10 –
• 2.47 (a) 30, (b) 2,
• 2.51 2,
• 2.53
• 2.55 convecção: 0,2, radiação: 0,
• 2.59 (a) 4; 4,25, (b) –2;
• 2.63 (a) –3, (b)
• 2.71 –310, 2.67 (a) 0,25, (b) –50,4, (c) –10,4 (para fora)
• 2.73 (a) 1,094, (b) 0,637, (c) 2,
• 2.76 (a) W12: 16, W23: –9, W31 = 0, (b) Q12 = 31, Q23 = –33, (c) 0,
• 2.84 0, 2.80 (a) 0,103, (b) –18,8, (c) ciclo de refrigeração ou ciclo de bomba de calor
• 2.90 0,45; 2.87 (a) 200, (b) 50, (c) $56,1 M/a
• 2.93 $
• 2.96 (a) 5,61, (b) $
• Capítulo
• 3.7 (b) 260, (c) 0, 3.5 (a) mistura bifásica líquido-vapor, (b) líquido sub- resfriado, (c) vapor superaquecido
• 3.9 a 1,00: 333,
• 3.12 (a) 133,6, (b) 24,931, (c) 0,
• 3.15 (a) 0,149, (b) 3,
• 3.18 (a) 0,7, (b) 0,
• 3.21 149, (b) 104,
• 3.24 99,67; 29,
• 3.27 54,
• 3.30 15,
• 3.35 –27,
• (c) 44,46; 0, 3.38 (a) –14,66; 153,67; (b) 5; 2855,4;
• 3.41 (a) 2772,15, (b) 849,9, (c) 601,
• 3.43 (a) 133,6; 2196,
• 3.46 407,
• 3.49 –485,
• 3.54 (a) 50, (b) 72,
• 3.58 (a) 0,
• 3.62 (a) 0,83, (b) 1,
• 3.69 5, 3.66 143,9; 3,193; 90,66%
• Processo 2-3: –80, 3.73 Processo 1-2: 214,44,
• Processo 2-3: 0; –230, 3.76 Processo 1-2: –17,71; –88,19;
• 3.79 Processo 1-2: 82,34; 710,
• Processo 2-3: 0; –759,
• 3.81 –371; –69,
• 3.85 12,75; 491,
• 3.88 295,
• 3,91 46,
• 3.94 8,
• 3.96 60,
• 3.101 (a) 11,31, (b) 11,
• (c) 0, 3.104 (a) 0,14499, (b) 0,14665,
• 3.107 63,51; 63,
• 3.113 0,5; 4, 3.110 +7,4%
• 3.115 (a) 200,
• 3.118 4,16; 14,
• 3.120 0,193; – 9,
• 3.124
• 3.126 0,
• 3.129 (a) 6,97, (b) 300, (c) 0,
• 3.132 (a) 300; (b) – 1,
• 3.136 840,
• 3.139 70,65; 531,
• Capítulo
• 4.3 0,
• 4.6 685,6;
• 4.8
• 4,10 (b)
• 4.16 (a) 0,
• 4.19 A 2: 20,
• 4.27 (b) 0, 4.23 0,5 ft^3 /s, 0,039 lb/s
• 4.30 0,
• 4.31 (a) 600,
• 4.35 0,
• 4.37
• 4.44
• 4.47 133,
• 4.50 (b) 17.
• 4.53 −26,
• 4.56 27,
• 4.60 86,
• 4.64 (b)
• 4.67 1,
• 4.74 9,06
• 4.79 14,
• 4.85 120,
• 4.87 (b) 168,
• 4.90 50,
• 4.97 (a) 4,
• 4.108 (b) 16. 4.106 (c) 68%
• 4.110 (b) –
• 4.112 685,9; 2,
• 4.115 181.
• 4.118 362,1; 2,
• 4.123 927,6; 882,
• 4.128 2,808;
• 4.130 (a) −6,
• Capítulo
• 7.11 1044,
• 7.12 151,
• 7.14 (a) 16,2, (b) 17,57, (c) 0,
• 7.15 5,
• 7.19 0,
• 7.25 (b) –1969,4, (c) –
• 7.26 (a) 36.720, (b) –
• 7.28 118,7; 419,6; Respectivas transferências de exergia: 0; 98,
• 7.33 –713,3; 463,
• 7.35 (a) 100, (b)
• 7.38 (a) 800, 0, (b)
• 7.40 18,
• 7.44 (b) 0,
• 7.47 (a) ∆E = 1040,8, Ew = –2106,8, EQ = 0, Ed = 1066, (b) ∆E = 1040,8, Ew = 0, EQ = 1070,7, Ed = 29,
• 7.50 (a) 2317; 82,7, (b) 2581; 58,
• 7.53 –438,
• 7.58 538,1, 177,
• 7.60 49,33, 22,
• 7.64 –10,75, 2,
• 7.65 (a) 50, (b) –2,55, (c) 0,
• 7.69 57,
• 7.72 717,
• 7.75 (a) 102,6, (b) 1914,
• 7.77 (a) 9,73, (b) 149,
• 7.82 393,
• 7.86 (a) 725,5; (b) 125,3; 138,6; (c)
• 7.90 (a) 217,
• 7.92 (a) –
• 7.120 (a) 5,457, (b) 0, 7.113 20,14; 4,5; 81,7%
• 7.132 (a) 12,75, (b) 2, 7.129 (a) 614,1, (b) 35,6%
• 7.135 (a) 16,47, (b) 2,28, (c) 87,8%, (d) 8,
• 7.138 7,
• 7.141 (a) 1; 5,
• Capítulo
• 10.1 β = 8,53, (a) 21,1, (b) 2,75, (c) 156,
• 10.6 (a) 3,34, (b) 4,91, (c) 5,
• 10.8 (a) 4,65, (b) 4,89, (c) 3,
• 10.10 (a) 66,12, (b) 57,3, (c) 3,
• 10.15 (a) 4,17, (b) 4,91, (c) 4,
• 10.17 (a) 6; (b) 67,1%; (c) 3,10; (d) 1,56; 0,553; (e) –2,486; –0,
• 10.24 0,434; 0,767; 6,
• 10.28 (a) compressor a baixa pressão: 766, compressor a alta pressão: 942, (b) 2,34, (c) 58,
• 10.30 Para p 2 = 80: (a) 1,353, (b) compressor a baixa pressão: 28,4, compressor a alta pressão: 30,8, (c) 2,
• 10.33 (a) 63,24, (b) 108,5, (c) 2,
• 10.34 (b) 2,126, (c) 7,056, (d) 19,
• 10.37 (a) 0,1094, (b) 3,82, (c) 5,24, 141,87, (b) 1,
• 10.42 (a) 1257, (b) 79,7%, (c) 2,86, (d) 6,92, (e) 8,
• 10.43 (a) 27,55, (b) 60,29, (c) 2,19, (d)
• 10.49 Para η t = η c = 100%: trabalho líquido: 15, coeficiente de desempenho: 2,
• Para η t = η c = 80%: trabalho líquido: 55,3, coeficiente de desempenho: 0,
• 10.50 (a) 219,2, (b) 37,01, (c) 50,83, (d) 1,
• 10.57 (a) –195,46, (b) 111,69, (c) 0,
• Capítulo
• 12.2 (a) N 2 : 0,3218, CO 2 : 0,6321, CH 4 : 0,0461, (b) p N2: 0,8, p CO 2 : 1,0, p CH4: 0,2, (c) 3,
• 12.6 (b) 35,85, (c) CO 2 : 6,72, CO: 5,75, O 2 : 2,53, (d) 97,
• 12.8 0,52; 312,
• 12.12 (a) –291,5, (b) 0,
• 12.16 (a) –204,2, (b) n : 1,285, p : 9,
• 12.19 17,
• 12.22 (a) 247, (b) –110,8, (c) 0,
• 12.24 (a) –113,7, (b) 81,7%, (c) 15,
• 12.28 (a) 422, (b)
• 12.31 (a) N 2 : 0,3816, O 2 : 0,2598, (b) 4,93, (c) –73, (d) N 2 : 0,01484, O 2 : 0,
• 12.32 (a) 762, (b) 46,696, (c) 276,
• 12.36 (b) 431, (c) 0,
• 12.41 (a) 400,5, (b) 5,
• 12.48 (a) 35,3%, (b) 0,009284, (c) 13, (d)
• 12.51 –6055,
• 12.56 140,
• 12.59 (a) 1,62, (b) 59.
• 12.62 Para hc = 0,8: temperatura: 987, trabalho de entrada: 115,2, exergia destruída: 12,
• 12.64 –537,
• 12.77 (a) 48,9%, (b) –48, 12.72 não há condensação, 80%
• 12.78 (a) –38,31, (b) 0,
• 12.81 (a) 9,6, (b) 48,63, (c) 0,515, (d)
• 12.83 (a) 0,639, (b) 8,26
• 12.88 (a) 0,0112; (b) 18,59; (c) 0,016;
• 12.91 (a) 787,5, (b) 0,
• 12.95 52%,
• 12.99 (a) 81,8%, 14,4, (b) 0,
• 12.104 (a) 9162, (b) 158,4, (c)
• 12.107 (a) ar seco: 9,32 3 104 , água resfriada: 2378,5, (b) 37,

Capítulo 13

13.2 (a) 16,66, (b) 16, 13.3 188 13.5 50% excesso 13.7 11,1% 13.11 1, 13.14 (a) 12, 13.17 (b) 44, 13.20 60, 13.23 (b) 48 13.25 (b) 133 13.28 (b) 12, 13.31 1, 13.34 (a) 115%, (b) 51 13.37 (b) 39% 13.40 (b) 0,933, pobre 13.43 1, 13.47 0, 13.50 0, 13.53 439. 13.56 –1.619. 13.59 –3.272. 13.62 (b) 26.803, (c) 46. 13.65 2286 13.71 168,5% 13.73 271% 13.76 (a) 1586, 6, 13.79 (a) 253,6%, (b) 510, 13.82 (a) 188, 13.85 (a) 2491, 13.88 817. 13.91 (a) 34.183, (c) 51. 13.95 2.151. 13.97 6288 13.101 2819 13.102 38,5% 13.104 (b) 73,4% 13.106 (b) 5, 13.108 177.706 Btu por lbmol(metano) 13.111 (b) 203,1, (c) 15.724, (d) (ii) 62%