Fundamentos de Física 9ª Edição Vol 2 - Halliday 2 ED 9 (em cores)

292 RESPOSTAS
19.0.l.3,nm 21.7.5 cn1 23.16(1 ,; 25.94.IJl4 27.42.7 ~1 2'J .
33 m? 3 1. 33 g 33. 3.0 ,nin 35. 13.5C 37. (ai 5,3 ('; 1h) O; (cJ
o~C:(d1óílg 39. 742 kJ 41 .(:iio C:1lJ12.5 C 43. fail.2 r., 1<> 1
J: tb) 75 J: 1c1 30 J 45. -30 J 47. 1a1 6,0 cal; 1b1 - 43 c:tl; ICJ
40 cal: (J) 18 cal: 1e1 18 cal 49. 60 J 51. <aJ 1.23 t\V: tbJ 2.28
k\\': te) 1.05 k\\' 53. l.66 kJ/<. 55. ca,16 J/s: (bJ O.O-f8 g/s 57.
(all.7 X IO~\\'/m 1 :(b) 18\\'/m: 59.0,50min 61.0.40cm/h 63.
- 4.2rc 65. 1.1 m 67. 10'1: 69. (a) 80 J: <b) 80 J 71. 4.5 % J(f
J/kg·K 73. 0.432 cmº 75. 3.1 X 10 1 J 77. 79.5"C 79. 23 J 81.
(al l lp 1
,,. 1
: (b) 6p,i 1 1
83. 4,83 X 10- 2 cm] 85. 10.5ºC 87. íaJ 90
\\'; (b) 2.3 X 10 2 \\': (e) 3.3 ,1;. 102\V 89. (a) 1.87 /. Jff: (b) 10.4
h 91. 333 J 93. 8.6 J 95. (a) -45 J: (b) +45 J
CAPÍTULO 19
T 1. todos, menos e 2. (a) são todos iguais: (b) 3,2.1 3. o gás A
4. 5 (a maior variação de n e. em seguida, 1.2,3 e 4 empatados
5. 1,2,3 (Q 3 = O, Q 2 é produzido pelo trabalho lV 2
, mas Q, é pr<r
duzido por um trabalho maior W 1
e aumenta a temperatura do gásJ
P 1. d. a e b empatados, e 3. 20 J 5. (a) 3: (b) 1: (e) 4: (dJ 2; (e)
sim 7. (a) 1,2,3,4; (b) 1,2,3 9. a volume constante
PR 1. (a) 0,933 kg; (b) 7,64 X 102' átomos 3. (aJ 0.0388 mol; (bJ
220ºC 5. 25 moléculas/cm 3 7. (a) 3,14 Á 103 J; (b) cedido 9.
186 kPa 11. 5,60 kJ 13. (a) 1,5 mol; (b)l,8 X 103 K; (e) 6,0 /
102K; (d) 5,0 kJ 15. 360 K 17. 2,0 X lOSPa 19. (a) 511 m/s: (b)
-200ºC; (e) 899ºC 21. 1,8 X 102m/s 23. 1,9 k.Pa 25. (a) 5,65 ,<
10- 21 J; (b) 7,72 X 10- 21 J; (e) 3,40 kJ; (d) 4.65 kJ 27. (aJ 6.76 /
10- 20 J; (b) 10,7 29. (a) 6 X 109 km 31. (a) 3,.27 /. 10'º moléculas/cm3;
(b) 172 m 33. (a) 6,5 km/s; (b) 7,1 km/s 35. (a) 420 m/s;
(b) 458 m/s; (e) sim 37. (a) 0,67; (b) 1,2; (e) 1,3; (dJ 0.33 39. (a)
1,0 X 104 K; (b) 1,6 X 105 K; (e) 4,4 X 102 K; (d) 7,0 X 103 K;
(e) não; (f) sim 41. (a) 7,0 km/s; (b) 2,0 X 10-t cm; (e) 3.5 ,< 10 1 º
colisões/s 43. (a) 3,49 kJ; (b) 2,49 kJ; (e) 997 J; (d) 1,00 kJ 45.
(a) 6,6 X 10- 26 kg; (b) 40 g/mol 47. (a) O; (bJ +374J; (cJ ..._3741;
(d) +3,11 X 10- 22 1 49.15,8 J/mol·K 51. 8,0kJ 53. (a)6,98kJ;
(b) 4,99 kJ; (e) 1,99 kJ; (d) 2,99 kJ 55. (a) 14 atm; (b) 6,2 ,< 102 K
57. (a) diatômico; (b) 446 K; (e) 8,10 mol 59. -15 J 61. -20 J
63. (a) 3,74 kJ; (b) 3,74 kJ; (e) O; (d) O; (e) -1,81 kJ; (f) 1,81 kJ;
(g) -3,22 kJ; (h) -1,93 kJ; (í) -1,29 kJ; (jJ 520 J; (k) O; (1)520 J;
(m) 0,0246 m 3 ; (n) 2,00 atm; (o) 0,0373 m 3 ; (p) 1,00 arm 65. (a)
monoatômica; (b) 2,7 X 104 K; (e) 4,5 X 104 mol; (d) 3,4 kJ; (e)
f O
OI{> f,7 . (,,) 2 f)(J atrn, (bJ ll'\ J , r
.
J,4/.1()
, .,u,.,1,,, ll:<;,,
,, .·34,, ~, 11. (,1) 114J.<b1<><c..1 1 .. J
15 < (VV '
u rn. .. ) 71 7 (13 / l'J' . aJ nr.J '-ct, <b,<r.' .f
+3,II 7 j20 ~'~J·(cj /,cal;!f)30<Jcal;íg,'J(YJcal íhJ4S(J 1
,t,, () c:al: fdJ ,45 J ,. .' <k> ')()(J cal; ( 1 J 45'1 cal 77. (aJ 3/~ : 7 ,,
<1; (JJ -Yf!J,ca:~ ·_ 2 37
k.J: (b) 2.37 jSJ. fbJ 125 .1; lcJ ahv,r
(J,775vo 79. ><b • í)(J v . (c:J 4,4 };J; fdJ 3.2 atrn; leJ 12/J"
3 ( 8 (J atrn · J 3 1 ~ • 1.
8 . aJ • 4 6 : . <hJ J 7<J K.: (jJ 3,4 J-J SS5. (aJ 3r, L, fbJ 71 "1
2. 9 J;J: ( g J , atm. "·
87. -3.(J J
CAPÍTULO 20
e z. menor , Q é menrJr) 3. e. b.a 4. a,d,c,b s. b
1 1 . a, b ,
d
b 3 . pennanece constante 5. a e r.: emp-à.tw:10:, e~
P 1. ,a.e. (b ,
bedempatados 7. (aJpennaneceamesma: Jaurrenta· c>r.l1r,., ...
9
• A. primeira: B. primeira e ~egunda; C. segunda: D. renh':Jrna
PR l. <aJ9.22kJ;<bJ23.lJ/K;<cJfJ 3.14.41/K 5. <aJ5.7~/f{r
J:(bJ173J/K 7.(aJ320K;CbJO:(cJ+1.72~/K 9.~0.761/K JJ.
(aJ57.0s;C:<bJ-22.1 J/K: (e) +24.91/K: (dJ-2.8 1/K 13. <aJ-710
rnJ~ (bJ -710mJ~ (e) -r-723 mJ/K: <d) -723 mJ/K.: íe)-13rrJt
K: (fJ o 15. (aJ -943 J~ CbJ +943 JIK; (e) sim 17. (aJ 0.333: (;; 1
0.215; (e) 0,644; ( d) 1.10; (e) 1,1 O; (fJ O: (gJ 1.1 O; <h) O: (íJ -O.~õ9:
(jJ -0,889; (kJ -l,10; (1) -0,889; (m) O: (n) 0,889: <oJ O 19. ,a1
0.693: (bJ 4,50; (e) 0,693: (d) O; (eJ 4,50; (f) 23.0 J/K: <g) -0693.
(hJ 7.50; (ÍJ -0,693; (j) 3.00; (kJ 4,50; (1)23,0 JJK 21. -1.18 J!K
23. 97 K 25. (a) 266 K ; (bJ 341 K 27. (aJ 23.6%: <bJ 1 •..i9 / 1/f
J 29. (aJ 2.27 kJ; (bJ 14,8 kJ; (e) 15,4%; (d) 75.0%: (e) major 31
(aJ 33 kJ; (bJ 25 kJ; (e) 26 kJ; (d) 18 kJ 33. (a) 1.47 kJ: <bJ 55..tJ
..i95: (e
(e) 9181: (d) 62.4% 35. (a) 3,00; (b) 1,98: ( e) 0.660: (d) o .
0.165; (f) 34.0% 37. 440 W 39. 20 J 41. 0.25 hp 43. 2.03 47.
(aJ W = N!l(n 1 !~!~!); Cb) [(N/2)!(Nl2)!]/[(N/3)!(N/3J!(N/3J!]: (e)
4.2 / 10 1 ~ 49. 0,141 J/K·s 51. (a) 87 m/s; (b) 1,2 / l<Y m/s: (cl
221/K 53. (a) 78%; (b) 82kg/s 55. (a) 40,9ºC; (b) -27.1 J/K: fcJ
30.31/K; (dJ 3,18 J/K 57. +3,59 J/K 59. 1.18 / 103 J/K 63. 1a1
O; <b) O: (e) -23.0 J/K; (d) 23,0 J/K 65. (a) 25,5 kJ: (bJ ..i,73 kJ:
(e) 18.5% 67. (a) 1.95 J/K; (b) 0,650 J/K; (e) 0.217 JIK: (d) O.Oi]
JIK; 'e) diminui 69. (a) 4,45 J/K; (bJ não 71. (a) 1.26 / 10'!: (b)
4,71 / 10~:; (e) 0.37; (d) 1,01 X 1029; (e) 1,37 x 1028; (f, 0.14: ig
9.os Á lQi ; (hJ 1,64 / 1os 1 • (iJ o 018· e·) a· · · 73 < > 4 ., 6 k.T
(b , , , J JJDJilUl , a -+-·
) 7 ,61 kJ 75. (a) l; (b) 1; (e) 3; (d) 10· (e) 1,5 x 10-:. J/K:
(f) 3.2 / 10-23 J/K . • .