Table 10. Molal thermal functions for sodium pentaborate pentahydrate (NAB5O8·5H2O).
T | CP | ST | ||||
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°K | J/deg | J | J/deg | J/deg | J | J/deg |
0.00 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
5.00 | .303 | .378 | .076 | .101 | .126 | .025 |
10.00 | 2.412 | 6.046 | .605 | .806 | 2.017 | .202 |
15.00 | 7.658 | 29.873 | 1.992 | 2.667 | 10.136 | .676 |
20.00 | 15.102 | 86.499 | 4.325 | 5.874 | 30.976 | 1.549 |
25.00 | 23.425 | 182.40 | 7.296 | 10.119 | 70.581 | 2.823 |
30.00 | 32.552 | 322.21 | 10.740 | 15.192 | 133.55 | 4.452 |
35.00 | 42.084 | 508.60 | 14.531 | 20.920 | 223.59 | 6.388 |
40.00 | 51.526 | 742.67 | 18.567 | 27.157 | 343.60 | 8.590 |
45.00 | 60.857 | 1023.7 | 22.749 | 33.766 | 495.77 | 11.017 |
50.00 | 70.088 | 1351.2 | 27.023 | 40.658 | 681.73 | 13.635 |
55.00 | 78.950 | 1723.8 | 31.342 | 47.755 | 902.69 | 16.413 |
60.00 | 87.643 | 2140.4 | 35.673 | 54.998 | 1159.5 | 19.325 |
65.00 | 96.143 | 2600.0 | 40.000 | 62.352 | 1452.9 | 22.352 |
70.00 | 104.00 | 3100.6 | 44.294 | 69.767 | 1783.1 | 25.473 |
75.00 | 111.63 | 3639.7 | 48.529 | 77.203 | 2150.6 | 28.674 |
80.00 | 119.24 | 4216.9 | 52.711 | 84.651 | 2555.2 | 31.940 |
85.00 | 126.87 | 4832.3 | 56.850 | 92.110 | 2997.1 | 35.260 |
90.00 | 133.89 | 5484.4 | 60.938 | 99.563 | 3476.3 | 38.625 |
95.00 | 140.41 | 6170.3 | 64.950 | 106.98 | 3992.7 | 42.028 |
100.00 | 146.88 | 6888.5 | 68.885 | 114.35 | 4546.0 | 45.460 |
105.00 | 153.30 | 7639.0 | 72.752 | 121.67 | 5136.0 | 48.915 |
110.00 | 159.64 | 8421.3 | 76.558 | 128.94 | 5762.6 | 52.387 |
115.00 | 165.94 | 9235.3 | 80.307 | 136.18 | 6425.4 | 55.873 |
120.00 | 172.11 | 10080 | 84.004 | 143.37 | 7124.3 | 59.369 |
125.00 | 178.23 | 10956 | 87.651 | 150.52 | 7859.1 | 62.873 |
130.00 | 184.30 | 11863 | 91.252 | 157.63 | 8629.5 | 66.381 |
135.00 | 190.29 | 12799 | 94.809 | 164.70 | 9435.3 | 69.891 |
140.00 | 196.23 | 13766 | 98.326 | 171.73 | 10276 | 73.403 |
145.00 | 202.11 | 14761 | 101.80 | 178.72 | 11153 | 76.914 |
150.00 | 207.96 | 15787 | 105.24 | 185.67 | 12064 | 80.424 |
155.00 | 213.76 | 16841 | 108.65 | 192.58 | 13009 | 83.930 |
160.00 | 219.51 | 17924 | 112.03 | 199.46 | 13989 | 87.433 |
165.00 | 225.18 | 19036 | 115.37 | 206.30 | 15004 | 90.932 |
170.00 | 230.83 | 20176 | 118.68 | 213.11 | 16052 | 94.425 |
175.00 | 236.48 | 21344 | 121.97 | 219.88 | 17135 | 97.913 |
180.00 | 242.12 | 22541 | 125.23 | 226.62 | 18251 | 101.39 |
185.00 | 247.74 | 23765 | 128.46 | 233.33 | 19401 | 104.87 |
190.00 | 253.56 | 25018 | 131.68 | 240.01 | 20594 | 108.34 |
195.00 | 259.78 | 26302 | 134.88 | 246.68 | 21801 | 111.80 |
200.00 | 266.07 | 27616 | 138.08 | 253.34 | 23051 | 115.26 |
205.00 | 272.33 | 28962 | 141.28 | 259.98 | 24334 | 118.70 |
210.00 | 278.15 | 30339 | 144.47 | 266.62 | 25651 | 122.15 |
215.00 | 283.81 | 31744 | 147.65 | 273.23 | 27000 | 125.58 |
220.00 | 289.39 | 33177 | 150.80 | 279.82 | 28383 | 129.01 |
225.00 | 294.98 | 34638 | 153.95 | 286.38 | 29799 | 132.44 |
230.00 | 300.53 | 36126 | 157.07 | 292.93 | 31247 | 135.86 |
235.00 | 306.06 | 37643 | 160.18 | 299.45 | 32728 | 139.27 |
240.00 | 311.56 | 39187 | 163.28 | 305.95 | 34241 | 142.67 |
245.00 | 317.03 | 40759 | 166.36 | 312.43 | 35787 | 146.07 |
250.00 | 322.48 | 42357 | 169.43 | 318.89 | 37366 | 149.46 |
255.00 | 327.90 | 43983 | 172.48 | 325.33 | 38976 | 152.85 |
260.00 | 333.30 | 45636 | 17552 | 331.75 | 40619 | 156.23 |
265.00 | 338.66 | 47316 | 178.55 | 338.15 | 42294 | 159.60 |
270.00 | 344.01 | 49023 | 181.57 | 344.53 | 44000 | 162.96 |
273.15 | 347.36 | 50112 | 183.46 | 348.54 | 45092 | 165.08 |
275.00 | 349.33 | 50756 | 184.57 | 350.89 | 45739 | 166.32 |
280.00 | 354.62 | 52516 | 187.56 | 357.23 | 47509 | 169.68 |
285.00 | 359.87 | 54302 | 190.53 | 363.56 | 49311 | 173.02 |
290.00 | 365.14 | 56115 | 193.50 | 369.86 | 51145 | 176.36 |
295.00 | 370.28 | 57953 | 196.45 | 376.15 | 53010 | 179.69 |
298.15 | 373.55 | 59125 | 198.31 | 380.10 | 54201 | 181.79 |
300.00 | 375.47 | 59818 | 199.39 | 382.41 | 54906 | 183.02 |
305.00 | 380.68 | 61708 | 202.32 | 388.66 | 56834 | 186.34 |
310.00 | 385.91 | 63625 | 205.24 | 394.90 | 58793 | 189.65 |
315.00 | 391.17 | 65567 | 208.15 | 401.11 | 60783 | 192.96 |
320.00 | 396.50 | 67536 | 211.05 | 407.31 | 62804 | 196.26 |
325.00 | 401.96 | 69533 | 213.95 | 413.50 | 64856 | 199.56 |
330.00 | 407.52 | 71556 | 216.84 | 419.68 | 66939 | 202.85 |
335.00 | 413.24 | 73608 | 219.73 | 425.85 | 69053 | 206.13 |
340.00 | 419.05 | 75689 | 222.61 | 432.02 | 71197 | 209.40 |
345.00 | 424.75 | 77798 | 225.50 | 438.18 | 73373 | 212.68 |
apply to the reference state of the solid at 0 °K.