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
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
Related questions
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

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
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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
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