2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa dueto heating in which the mass of the saturated liquid and vapor are found to be 0.85 kgand 0.73 kg, respectively. Find:i)The initial specific volume.ii)The final enthalpy.iii)The initial entropy.iv)The initial enthalpy. Specific volume,m2AkgInternal energy,Enthalpy,kJ/kgEntropy,kJ/kg KkJ/kgSat.Press., temp., liquid,Tat °CSat.Sat.Sat.Sat.Sat.Sat.Sat.Sat.P kPavapor,liquid,Evap.,vapor,liquid,Evap.,liquid, Evap., vapor,vapor,S1.01.56.97 0.001000 129.1913.02 0.001001 87.96417.50 0.001001 66.99021.08 0.001002 54.24224.08 0.001003 45.65429.302 2355.229.303 2484.4 2513.7 0.1059 8.8690 8.974954.688 2470.1 2524.7 0.1956 8.6314 8.827073.433 2459.5 2532.9 0.2606 8.4621 8.722788.424 2451.0 2539.4 0.3118 8.3302 8.64212443.9 2544.8 0.3543 8.2222 8.57652384.52392.854.686 2338.12.02.53.073.431 2325.588.422 2315.4100.982398.92403.82407.92306.9100.984.028.96 0.001004 34.79132.87121.392293.12414.52419.82432.3 2553.7 0.4224 8.0510 8.47342423.0 2560.7 0.4762 7.9176 8.39382405.3 2574.0 0.5763 7.6738 8.25012392.1 2583.9 0.6492 7.4996 8.14882372.3 2598.3 0.75497.2522 8.0071121.39137.755.00.00100540.29 0.001008 19.23328.185137.752282.17.510168.74191.79225.932261.12429.82437.22448.0168.75191.81225.9445.810.00101053.97 0.00101414.6702245.42222.11510.0202060.060.0010177.6481251.402204.62190.42456.0 251.422462.42357.5 2608.9 0.8320 7.0752 7.90732345.5 2617.5 0.8932 6.9370 7.83022335.3 2624.6 0.9441 6.82342318.4 2636.1 1.0261 6.6430 7.66912304.7 2645.2 1.0912 6.5019 7.59312564.96 0.0010206.2034271.93271.963069.0975.860.0010220.0010265.22873.9933289.242178.52467.7 289.272476.32483.2 340.54.7640317.58340.492158.8317.625081.320.0010303.24032142.77510091.760.0010372.21721.69412278.0 2662.4 1.2132 6.2426 7.45582257.5 2675.0 1.3028 6.0562 7.35892256.5 2675.6 1.3069 6.0476 7.35452240.6 2684.9 1.3741 5.9100 7.28412226.0 2693.1 1.4337 5.7894 7.2231384.362111.82496.12505.6384.4499.610.001043417.402088.2417.51101.325 99.971251500.0010431.6734418.952087.02506.0105.97111.35419.06444.36467.130.0010481.3750444.23466.972068.82052.32513.02519.20.0010531.15942213.1 2700.2 1.4850 5.6865 7.17162201.6 2706.3 1.5302 5.5968 7.12702191.0 2711.7 1.5706 5.5171 7.08772181.2 2716.5 1.6072 5.4453 7.05252172.0 2720.9 1.6408 5.3800 7.02072037.72024.6487.01504.71175116.040.0010571.0037486.822524.5120.21 0.001061123.97 0.001064127.41 0.001067130.58 0.0010702000.88578 504.502529.10.79329 520.470.71873 535.080.65732 548.572012.72001.82533.2520.71535.352252502536.82751991.62540.1548.86133.52 0.0010730.001076138.86 0.0010790.0010810.0010842163.5 2724.9 1.6717 5.3200 6.99172155.4 2728.6 1.7005 5.2645 6.96502147.7 2732.0 1.7274 5.2128 6.94022140.4 2735.1 1.7526 5.1645 6.91712133.4 2738.1 1.7765 5.1191 6.89553000.60582 561.111982.12543.2 561.43325136.270.56199 572.841973.12545.9573.192548.52550.92553.1 604.66584.26594.733500.52422 583.891964.60.49133 594.320.46242 604.221956.61948.9375141.30400143.61O505 O 0O5

Given: Initial pressure P1=75kPaFinal pressure P2=1.10MPaMass of saturated liquid mf=0.85kgMass of…

2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. ii1) The initial entropy. iv) The initial enthalpy.

2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg and 0.73 kg, respectively. Find: i) The initial specific volume. ii) The final enthalpy. ii1) The initial entropy. iv) The initial enthalpy.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

2) A closed, rigid container of water at 75 kPa. The pressure increases to 1.10 MPa due
to heating in which the mass of the saturated liquid and vapor are found to be 0.85 kg
and 0.73 kg, respectively. Find:
i)
The initial specific volume.
ii)
The final enthalpy.
iii)
The initial entropy.
iv)
The initial enthalpy.

Specific volume,
m2Akg
Internal energy,
Enthalpy,
kJ/kg
Entropy,
kJ/kg K
kJ/kg
Sat.
Press., temp., liquid,
Tat °C
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
Sat.
P kPa
vapor,
liquid,
Evap.,
vapor,
liquid,
Evap.,
liquid, Evap., vapor,
vapor,
S
1.0
1.5
6.97 0.001000 129.19
13.02 0.001001 87.964
17.50 0.001001 66.990
21.08 0.001002 54.242
24.08 0.001003 45.654
29.302 2355.2
29.303 2484.4 2513.7 0.1059 8.8690 8.9749
54.688 2470.1 2524.7 0.1956 8.6314 8.8270
73.433 2459.5 2532.9 0.2606 8.4621 8.7227
88.424 2451.0 2539.4 0.3118 8.3302 8.6421
2443.9 2544.8 0.3543 8.2222 8.5765
2384.5
2392.8
54.686 2338.1
2.0
2.5
3.0
73.431 2325.5
88.422 2315.4
100.98
2398.9
2403.8
2407.9
2306.9
100.98
4.0
28.96 0.001004 34.791
32.87
121.39
2293.1
2414.5
2419.8
2432.3 2553.7 0.4224 8.0510 8.4734
2423.0 2560.7 0.4762 7.9176 8.3938
2405.3 2574.0 0.5763 7.6738 8.2501
2392.1 2583.9 0.6492 7.4996 8.1488
2372.3 2598.3 0.75497.2522 8.0071
121.39
137.75
5.0
0.001005
40.29 0.001008 19.233
28.185
137.75
2282.1
7.5
10
168.74
191.79
225.93
2261.1
2429.8
2437.2
2448.0
168.75
191.81
225.94
45.81
0.001010
53.97 0.001014
14.670
2245.4
2222.1
15
10.020
20
60.06
0.001017
7.6481
251.40
2204.6
2190.4
2456.0 251.42
2462.4
2357.5 2608.9 0.8320 7.0752 7.9073
2345.5 2617.5 0.8932 6.9370 7.8302
2335.3 2624.6 0.9441 6.8234
2318.4 2636.1 1.0261 6.6430 7.6691
2304.7 2645.2 1.0912 6.5019 7.5931
25
64.96 0.001020
6.2034
271.93
271.96
30
69.09
75.86
0.001022
0.001026
5.2287
3.9933
289.24
2178.5
2467.7 289.27
2476.3
2483.2 340.54
.76
40
317.58
340.49
2158.8
317.62
50
81.32
0.001030
3.2403
2142.7
75
100
91.76
0.001037
2.2172
1.6941
2278.0 2662.4 1.2132 6.2426 7.4558
2257.5 2675.0 1.3028 6.0562 7.3589
2256.5 2675.6 1.3069 6.0476 7.3545
2240.6 2684.9 1.3741 5.9100 7.2841
2226.0 2693.1 1.4337 5.7894 7.2231
384.36
2111.8
2496.1
2505.6
384.44
99.61
0.001043
417.40
2088.2
417.51
101.325 99.97
125
150
0.001043
1.6734
418.95
2087.0
2506.0
105.97
111.35
419.06
444.36
467.13
0.001048
1.3750
444.23
466.97
2068.8
2052.3
2513.0
2519.2
0.001053
1.1594
2213.1 2700.2 1.4850 5.6865 7.1716
2201.6 2706.3 1.5302 5.5968 7.1270
2191.0 2711.7 1.5706 5.5171 7.0877
2181.2 2716.5 1.6072 5.4453 7.0525
2172.0 2720.9 1.6408 5.3800 7.0207
2037.7
2024.6
487.01
504.71
175
116.04
0.001057
1.0037
486.82
2524.5
120.21 0.001061
123.97 0.001064
127.41 0.001067
130.58 0.001070
200
0.88578 504.50
2529.1
0.79329 520.47
0.71873 535.08
0.65732 548.57
2012.7
2001.8
2533.2
520.71
535.35
225
250
2536.8
275
1991.6
2540.1
548.86
133.52 0.001073
0.001076
138.86 0.001079
0.001081
0.001084
2163.5 2724.9 1.6717 5.3200 6.9917
2155.4 2728.6 1.7005 5.2645 6.9650
2147.7 2732.0 1.7274 5.2128 6.9402
2140.4 2735.1 1.7526 5.1645 6.9171
2133.4 2738.1 1.7765 5.1191 6.8955
300
0.60582 561.11
1982.1
2543.2 561.43
325
136.27
0.56199 572.84
1973.1
2545.9
573.19
2548.5
2550.9
2553.1 604.66
584.26
594.73
350
0.52422 583.89
1964.6
0.49133 594.32
0.46242 604.22
1956.6
1948.9
375
141.30
400
143.61
O505 O 0O5

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Answer the question below and show the solution (derivation).
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