In a reactor, acetaldehyde (C2H4O) is oxidized to acetic acid (C2H4O2):   C2H4O (g)  +  ½ O2 (g)   è    C2H4O2 (l)    C2H4O and 100% excess air are fed to the reactor at 200°C. The conversion of C2H4O is 60% and the products emerge from the reactor at 150°C. The production rate of acetic acid is 30 mol/min. The reactor is surrounded by a water jacket into which liquid water at  25°C is fed. Calculate the mass flow rate of the liquid water if its temperature is rised to 40°C.    Cp(C2H4O(g))= 0.030 kJ/mol.K Cp(C2H4O2(l))= 2.000 kJ/mol.K Cp(O2(g))= 0.0291 kJ/mol.K Cp(N2(g))= 0.0290 kJ/mol.K

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question

In a reactor, acetaldehyde (C2H4O) is oxidized to acetic acid (C2H4O2):

 

C2H4O (g)  +  ½ O2 (g)   è    C2H4O2 (l) 

 

C2H4O and 100% excess air are fed to the reactor at 200°C. The conversion of C2H4O is 60% and the products emerge from the reactor at 150°C. The production rate of acetic acid is 30 mol/min. The reactor is surrounded by a water jacket into which liquid water at  25°C is fed. Calculate the mass flow rate of the liquid water if its temperature is rised to 40°C. 

 

Cp(C2H4O(g))= 0.030 kJ/mol.K

Cp(C2H4O2(l))= 2.000 kJ/mol.K

Cp(O2(g))= 0.0291 kJ/mol.K

Cp(N2(g))= 0.0290 kJ/mol.K

%89
D1 11:38
steam_table.pdf
B.2.Thermodynamic Properties of Steam
B.2.1. Properties of Saturated Steam - Steam Table
Temperature
Psal
Specific volume
Specific enthalpy
Specific entropy
(m/kg)
(kJ/kg)
(kJ/kg.K)
°C kPa
hgl
he
K
V I
xl0
9.157
-0.04
0.00
8.40
16.83
25.24
33.64
2501
2501
2505
2508
2512
2516
-0.000
0.
0.031
0.061
0.091
0.121
0.151
0.181
0.210
0.239
0.268
2501
1.000 206.3
1.000
1.000 179.9
1.000 157.3
0.935 1.000 137.8
1.000 121.O
1.000
1.001
1.597 1.001
1.817 1.001
1.001
1.002
2.642 1.002
1.003
1.003
1.004
1.004
1.005
1.006
1.006
1.007
1.008
1.009
1.010
1.010
1.011
1.012
1.015
1.017
1.020
0.61
r 611
0.705
0.813
273.15
273.15
275.15
277.15
279.15
281.15
283.15
285.15
287.15
289.15
291.15
293.15
295.15
297.15
299.15
301.15
9.156
9.104
9.051
9.000
8.950
206.2
2501
0.01
2
4
6
2469
2492
2487
2482
2477
2473
2468
2463
2459
2459
2449
2444
2440
2435
1.072
106.4
93.83
82.89
73.38
65080
57.83
51.49
45.92
41.03
36.73
2519
2523
2527
2530
2534
2538
2541
2545
2549
2552
2556
2560
2563
2567
2570
8.901
8.851
8.805
8.758
8.713
৪.667
8.623
8.580
8.537
8.495
8.454
8.431
8.373
8.335
8.295
42.03
10
12
14
16
18
1.227
50.42
58.79
67.16
75.53
1.402
2.063
2.337
83.90
0.296
20
22
24
26
28
30
32
34
36
38
92.26
100.6
109.0
117.3
0.325
0.353
0.381
0.409
2.982
3.360
3.779
4.242
4.754
5.318
5.940
6.624
7.375
8.198
9.100
10.085
11.161
2430
2425
2421
2416
2411
0.437
0.464
0.491
0.519
0.545
32.93
29.57
26.60
23.97
21.63
19,55
17.69
16.04
14.56
13.24
12.05
9.58
7.68
6.20
303.15
305.15
307.15
309.15
311.15
125.7
134.1
142.4
150.8
159.1
167.5
175.9
184.2
192.6
200.9
209.3
230.2
251.1
272.1
293.0
314.0
313.15
315.15
317.15
319.15
321.15
40
42
44
46
48
2406
2402
2397
2392
2387
2383
2370
2358
2346
2334
2321
2574
2578
2581
2585
2588
2592
2601
0.572
0.599
0.625
0.652
0.678
8.258
8.220
8.183
8.148
8.112
8.077
7.992
7.910
7.832
7.757
7.684
7.613
7,545
7.481
7.417
7.356
7.240
7.131
7.028
6.930
6.838
6.750
6.666
6.584
6.505
6.429
6.281
6.140
5.999
5.856
5.704
323.15
50
12.34
0.704
328.15
333.15
338.15
343.15
348.15
353.15
358.15
363.15
368.15
55
15.74
19.92
25.01
0.768
60
2609
0.831
0.893
65
2618
2627
2635
2644
2652
70
31.16
1.023
5.05
4.14
3.41
2.83
0.955
1.016
1.075
1.134
75
38.55
1.026
1.029
1.033
1.036
1.040
80
47.36
335.0
2309
57.80
70.11
84.53
101.32
110 143.3
120 198.5
130 270.1
85
90
95
356.0
2296
2283
2270
2257
2230
2203
2174
2145
2114
2082
2049
2014
1978
2.36
377.0
2660
2668
2676
2692
2707
2721
2734
2746
2758
2768
2777
2785
1.193
1.98 398.1
1.250
1.307
1.419
1.528
1.635
1.739
373.15
383.15
393.15
100
1.044
1.052
1.060
1.070
1.080
1.091
1.102
1.114 0.243 719.1
1.127
1.142
1.157
1.190
1.229
1.275
1.332
1.67
419.2
461.4
0.892 503.8
0.669 546.4
0.509 589.2
1.21
403.15
413.15
361.4
476.0
160 618.0
170 792.0
180 1002.7
190 1255.2
140
423.15
433.15
443.15
453.15
463.15
150
0.393 632.2
1.842
1.943
2.042
2.139
2.235
2.330
2.517
2.702
2.885
3.068
3.256
0.307 675.5
473.15
493.15
513.15
533.15
553.15
573.15
200 1555.
220 2320.
240 3348.
260 4694.
280 6419.
0.194 763.0
0.156 807.4
0.127 852.2
0860 943.5
.0596 1037.
.0421 1135.
.0301 1237.
.0216 1346.
1939
1856
1764
1660
1542
2791
2800
2801
2795
2779
2749
300 8592.
1.404
1403
410
CamScanner ile tarandı
Transcribed Image Text:%89 D1 11:38 steam_table.pdf B.2.Thermodynamic Properties of Steam B.2.1. Properties of Saturated Steam - Steam Table Temperature Psal Specific volume Specific enthalpy Specific entropy (m/kg) (kJ/kg) (kJ/kg.K) °C kPa hgl he K V I xl0 9.157 -0.04 0.00 8.40 16.83 25.24 33.64 2501 2501 2505 2508 2512 2516 -0.000 0. 0.031 0.061 0.091 0.121 0.151 0.181 0.210 0.239 0.268 2501 1.000 206.3 1.000 1.000 179.9 1.000 157.3 0.935 1.000 137.8 1.000 121.O 1.000 1.001 1.597 1.001 1.817 1.001 1.001 1.002 2.642 1.002 1.003 1.003 1.004 1.004 1.005 1.006 1.006 1.007 1.008 1.009 1.010 1.010 1.011 1.012 1.015 1.017 1.020 0.61 r 611 0.705 0.813 273.15 273.15 275.15 277.15 279.15 281.15 283.15 285.15 287.15 289.15 291.15 293.15 295.15 297.15 299.15 301.15 9.156 9.104 9.051 9.000 8.950 206.2 2501 0.01 2 4 6 2469 2492 2487 2482 2477 2473 2468 2463 2459 2459 2449 2444 2440 2435 1.072 106.4 93.83 82.89 73.38 65080 57.83 51.49 45.92 41.03 36.73 2519 2523 2527 2530 2534 2538 2541 2545 2549 2552 2556 2560 2563 2567 2570 8.901 8.851 8.805 8.758 8.713 ৪.667 8.623 8.580 8.537 8.495 8.454 8.431 8.373 8.335 8.295 42.03 10 12 14 16 18 1.227 50.42 58.79 67.16 75.53 1.402 2.063 2.337 83.90 0.296 20 22 24 26 28 30 32 34 36 38 92.26 100.6 109.0 117.3 0.325 0.353 0.381 0.409 2.982 3.360 3.779 4.242 4.754 5.318 5.940 6.624 7.375 8.198 9.100 10.085 11.161 2430 2425 2421 2416 2411 0.437 0.464 0.491 0.519 0.545 32.93 29.57 26.60 23.97 21.63 19,55 17.69 16.04 14.56 13.24 12.05 9.58 7.68 6.20 303.15 305.15 307.15 309.15 311.15 125.7 134.1 142.4 150.8 159.1 167.5 175.9 184.2 192.6 200.9 209.3 230.2 251.1 272.1 293.0 314.0 313.15 315.15 317.15 319.15 321.15 40 42 44 46 48 2406 2402 2397 2392 2387 2383 2370 2358 2346 2334 2321 2574 2578 2581 2585 2588 2592 2601 0.572 0.599 0.625 0.652 0.678 8.258 8.220 8.183 8.148 8.112 8.077 7.992 7.910 7.832 7.757 7.684 7.613 7,545 7.481 7.417 7.356 7.240 7.131 7.028 6.930 6.838 6.750 6.666 6.584 6.505 6.429 6.281 6.140 5.999 5.856 5.704 323.15 50 12.34 0.704 328.15 333.15 338.15 343.15 348.15 353.15 358.15 363.15 368.15 55 15.74 19.92 25.01 0.768 60 2609 0.831 0.893 65 2618 2627 2635 2644 2652 70 31.16 1.023 5.05 4.14 3.41 2.83 0.955 1.016 1.075 1.134 75 38.55 1.026 1.029 1.033 1.036 1.040 80 47.36 335.0 2309 57.80 70.11 84.53 101.32 110 143.3 120 198.5 130 270.1 85 90 95 356.0 2296 2283 2270 2257 2230 2203 2174 2145 2114 2082 2049 2014 1978 2.36 377.0 2660 2668 2676 2692 2707 2721 2734 2746 2758 2768 2777 2785 1.193 1.98 398.1 1.250 1.307 1.419 1.528 1.635 1.739 373.15 383.15 393.15 100 1.044 1.052 1.060 1.070 1.080 1.091 1.102 1.114 0.243 719.1 1.127 1.142 1.157 1.190 1.229 1.275 1.332 1.67 419.2 461.4 0.892 503.8 0.669 546.4 0.509 589.2 1.21 403.15 413.15 361.4 476.0 160 618.0 170 792.0 180 1002.7 190 1255.2 140 423.15 433.15 443.15 453.15 463.15 150 0.393 632.2 1.842 1.943 2.042 2.139 2.235 2.330 2.517 2.702 2.885 3.068 3.256 0.307 675.5 473.15 493.15 513.15 533.15 553.15 573.15 200 1555. 220 2320. 240 3348. 260 4694. 280 6419. 0.194 763.0 0.156 807.4 0.127 852.2 0860 943.5 .0596 1037. .0421 1135. .0301 1237. .0216 1346. 1939 1856 1764 1660 1542 2791 2800 2801 2795 2779 2749 300 8592. 1.404 1403 410 CamScanner ile tarandı
n-Butane (g). C4H10
%89
D1 11:37
reaction_enthalpies.pdf
Appendix C. HEAT CAPACITY, ENTHALPIES OF FORMATION AND
COMBUSTION OF SOME SUBSTANCES
Standard Enthalpies
Formation and Combuştign
T'in K, and C, in J/gmol.K in kJ/kgmol x 10S (2)
-AHO
Molal Heat capacity data(1)
= a + b.T +g.T,
of
b.103
c.106
ΔΗΟ
1298
c298
Substance
a.
Paraffigs and monoolefines
Ethane (g), C,H
Propane (g). Cf,
Nermand
-74.847
-84.667
-103.847 2 220.030
890.355
1 559.879
75.496
159.833
239.304
306.896 -94.788 -126.148 2 877.086
377.033 -117.315 -146.440 3 536.149
446.625 -139.591 -167.193 4 194.753
119.667 -36.509
188.765 -57.488
-17.991
46.229
-73.358
14.146
n-Pentane (g).
n-Hexane (g), CH14
Ethylene (g)
Propylene (g)
Miscellaneous
9.401
10.083
16.083
20.481
25.150
11.841
13.611
52.283
20.414
1 410.970
2 058.486
-51.195 -166.356 1 166.374
-487.018
226.748 1 299.634
46.191
14.075
149.461
Acetaldehyde(g), C2H,O
Acetic acid(1), C,HO2
Acetylene (g), CH,
Ammonia (g), NÁ,
Benzene (g).
874.539
30.673
25.464
- 1.711
52.810
-16.272
36.869
-6.301
324.766 -110.566
82.927
49.036
3 301.511
3 267.620
393.514
Carbon (graphite), C
Carbon dioxide(g).CO,
arbon monoxide(g), CO
Citric acid(s), C,HgO,
Ethanol (8).
Ethanol (1), C,HOH
8-D-Fructose(s), C,H1206
o-D-Galactose(s),CH
o-D-Glucose (s). CgH12º6
Hydrogen (g), H2
Lactic acid,DL (15, CH,CHOHCO,H
Lactose (anhydr.)(s). Č12H22011
Mcthanoi (3), CH,он
Methanol (1), CHOH
Nitrogen (g), N2
Nitric acid (1), HNO,
Oleic acid (1), C1gH3402
Oxalic acid (s), (CH20)2
Palmitic acid (s)
Salicylic acid (s), HỌC,H,CO,H-(1,2)
Sodium carbonate (s), Na,CO,
Sodium chloride (s), NaCl
Sulfur dioxide(g).SO2
Sulfur trioxide(g),SO,
Starch (s). (C6H1005) per kg
Water (g), H,0
Water (1), H,0
(1) 298 to 1500 K;
-393.514
-110.525
282.989
1 960.622
29.246
166.276 -49.898 -235.308
-277.634 1 366.829
2 811.648
2 803.698
2 803.029
285.838
1 367.331
5 648.400
'12
29.066
-0.837
2.013
101.624 -28.681
-201.250
-238.639
18.384
726.510
27.296
5.230
-0.004
-173.234
11 118.561
245.601
9 977.836
3 022.522
-1 130.935
411.003
29.773
39.798
98.479
14.690
-2,874
296.897
25.426
395.179
17 484.099
30.359
9.615
1.184
-241.827
-285.838
(2) For combustion reactions the products are H,0(1) and CO,(g)
414
CamScanner ile tarandı
Transcribed Image Text:n-Butane (g). C4H10 %89 D1 11:37 reaction_enthalpies.pdf Appendix C. HEAT CAPACITY, ENTHALPIES OF FORMATION AND COMBUSTION OF SOME SUBSTANCES Standard Enthalpies Formation and Combuştign T'in K, and C, in J/gmol.K in kJ/kgmol x 10S (2) -AHO Molal Heat capacity data(1) = a + b.T +g.T, of b.103 c.106 ΔΗΟ 1298 c298 Substance a. Paraffigs and monoolefines Ethane (g), C,H Propane (g). Cf, Nermand -74.847 -84.667 -103.847 2 220.030 890.355 1 559.879 75.496 159.833 239.304 306.896 -94.788 -126.148 2 877.086 377.033 -117.315 -146.440 3 536.149 446.625 -139.591 -167.193 4 194.753 119.667 -36.509 188.765 -57.488 -17.991 46.229 -73.358 14.146 n-Pentane (g). n-Hexane (g), CH14 Ethylene (g) Propylene (g) Miscellaneous 9.401 10.083 16.083 20.481 25.150 11.841 13.611 52.283 20.414 1 410.970 2 058.486 -51.195 -166.356 1 166.374 -487.018 226.748 1 299.634 46.191 14.075 149.461 Acetaldehyde(g), C2H,O Acetic acid(1), C,HO2 Acetylene (g), CH, Ammonia (g), NÁ, Benzene (g). 874.539 30.673 25.464 - 1.711 52.810 -16.272 36.869 -6.301 324.766 -110.566 82.927 49.036 3 301.511 3 267.620 393.514 Carbon (graphite), C Carbon dioxide(g).CO, arbon monoxide(g), CO Citric acid(s), C,HgO, Ethanol (8). Ethanol (1), C,HOH 8-D-Fructose(s), C,H1206 o-D-Galactose(s),CH o-D-Glucose (s). CgH12º6 Hydrogen (g), H2 Lactic acid,DL (15, CH,CHOHCO,H Lactose (anhydr.)(s). Č12H22011 Mcthanoi (3), CH,он Methanol (1), CHOH Nitrogen (g), N2 Nitric acid (1), HNO, Oleic acid (1), C1gH3402 Oxalic acid (s), (CH20)2 Palmitic acid (s) Salicylic acid (s), HỌC,H,CO,H-(1,2) Sodium carbonate (s), Na,CO, Sodium chloride (s), NaCl Sulfur dioxide(g).SO2 Sulfur trioxide(g),SO, Starch (s). (C6H1005) per kg Water (g), H,0 Water (1), H,0 (1) 298 to 1500 K; -393.514 -110.525 282.989 1 960.622 29.246 166.276 -49.898 -235.308 -277.634 1 366.829 2 811.648 2 803.698 2 803.029 285.838 1 367.331 5 648.400 '12 29.066 -0.837 2.013 101.624 -28.681 -201.250 -238.639 18.384 726.510 27.296 5.230 -0.004 -173.234 11 118.561 245.601 9 977.836 3 022.522 -1 130.935 411.003 29.773 39.798 98.479 14.690 -2,874 296.897 25.426 395.179 17 484.099 30.359 9.615 1.184 -241.827 -285.838 (2) For combustion reactions the products are H,0(1) and CO,(g) 414 CamScanner ile tarandı
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