962 Tables in English Units
TABLE A-13E
Properties of Saturated Ammonia (Liquid–Vapor): Temperature Table
Specific Volume Internal Energy Enthalpy Entropy
f t
3
/lb Btu/lb Btu/lb Btu/lb ? 8R
Sat. Sat. Sat. Sat. Sat. Sat. Sat. Sat.
Temp. Press. Liquid Vapor Liquid Vapor Liquid Evap. Vapor Liquid Vapor Temp.
8F lbf/in.
2
v
f
v
g
u
f
u
g
h
f
h
fg
h
g
s
f
s
g
8F
260 5.548 0.02278 44.7537 221.005 543.61 220.97 610.56 589.58 20.0512 1.4765 260
255 6.536 0.02288 38.3991 215.765 545.11 215.73 607.31 591.58 20.0381 1.4627 255
250 7.664 0.02299 33.0880 210.525 546.59 210.49 604.04 593.54 20.0253 1.4492 250
245 8.949 0.02310 28.6284 25.295 548.04 25.25 600.72 595.48 20.0126 1.4361 245
240 10.405 0.02322 24.8672 20.045 549.46 0.00 597.37 597.37 0.0000 1.4235 240
235 12.049 0.02333 21.6812 5.20 550.86 5.26 593.98 599.24 0.0124 1.4111 235
230 13.899 0.02345 18.9715 10.46 552.24 10.52 590.54 601.06 0.0247 1.3992 230
225 15.972 0.02357 16.6577 15.73 553.59 15.80 587.05 602.85 0.0369 1.3875 225
220 18.290 0.02369 14.6744 21.01 554.91 21.09 583.51 604.61 0.0490 1.3762 220
215 20.871 0.02381 12.9682 26.31 556.20 26.40 579.92 606.32 0.0610 1.3652 215
210 23.738 0.02393 11.4951 31.63 557.46 31.73 576.26 607.99 0.0729 1.3544 210
25 26.912 0.02406 10.2190 36.96 558.70 37.08 572.54 609.62 0.0847 1.3440 25
0 30.416 0.02419 9.1100 42.32 559.91 42.45 568.76 611.22 0.0964 1.3338 0
5 34.275 0.02432 8.1430 47.69 561.08 47.85 564.92 612.76 0.1080 1.3238 5
10 38.512 0.02446 7.2974 53.09 562.23 53.27 561.00 614.27 0.1196 1.3141 10
15 43.153 0.02460 6.5556 58.52 563.34 58.72 557.01 615.73 0.1311 1.3046 15
20 48.224 0.02474 5.9032 63.97 564.43 64.19 552.95 617.14 0.1425 1.2953 20
25 53.752 0.02488 5.3278 69.43 565.48 69.68 548.82 618.51 0.1539 1.2862 25
30 59.765 0.02503 4.8188 74.93 566.49 75.20 544.62 619.82 0.1651 1.2774 30
35 66.291 0.02517 4.3675 80.44 567.48 80.75 540.34 621.09 0.1764 1.2687 35
40 73.359 0.02533 3.9664 85.98 568.42 86.33 535.97 622.30 0.1875 1.2602 40
45 81.000 0.02548 3.6090 91.55 569.33 91.93 531.54 623.46 0.1986 1.2518 45
50 89.242 0.02564 3.2897 97.13 570.21 97.55 527.02 624.57 0.2096 1.2436 50
55 98.118 0.02581 3.0040 102.73 571.04 103.20 522.42 625.62 0.2205 1.2356 55
60 107.66 0.02597 2.7476 108.35 571.83 108.87 517.74 626.61 0.2314 1.2277 60
65 117.90 0.02614 2.5171 113.99 572.59 114.56 512.97 627.54 0.2422 1.2199 65
70 128.87 0.02632 2.3095 119.65 573.29 120.28 508.12 628.40 0.2530 1.2123 70
75 140.60 0.02650 2.1220 125.33 573.95 126.02 503.18 629.20 0.2636 1.2048 75
80 153.13 0.02668 1.9524 131.02 574.57 131.78 498.15 629.93 0.2742 1.1973 80
85 166.50 0.02687 1.7988 136.73 575.13 137.56 493.03 630.59 0.2848 1.1900 85
90 180.73 0.02707 1.6593 142.46 575.65 143.37 487.81 631.18 0.2953 1.1827 90
95 195.87 0.02727 1.5324 148.21 576.10 149.20 482.49 631.68 0.3057 1.1756 95
100 211.96 0.02747 1.4168 153.98 576.51 155.05 477.06 632.11 0.3161 1.1685 100
105 229.02 0.02768 1.3113 159.76 576.85 160.94 471.52 632.46 0.3264 1.1614 105
110 247.10 0.02790 1.2149 165.58 577.13 166.85 465.86 632.71 0.3366 1.1544 110
115 266.24 0.02813 1.1266 171.41 577.34 172.80 460.08 632.88 0.3469 1.1475 115
120 286.47 0.02836 1.0456 177.28 577.48 178.79 454.16 632.95 0.3570 1.1405 120
Source: Tables A-13E through A-15E are calculated based on equations from L. Haar and J. S. Gallagher, “Thermodynamic Properties of Ammonia,”
J. Phys. Chem. Reference Data, Vol. 7, 1978, pp. 635–792.
Ammonia
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