J.1 Water, H2O(l)
\[\mathrm{H_2}(g) + \dfrac{1}{2}\mathrm{O_2}(g) \longrightarrow \mathrm{H_2O}(l)\]
Data
Enthalpy reference temperature (Tr = 298.15 K); Standard state pressure = p° = 0.1 MPa
- C°p, S°, and -[G°-H°(Tr)]/T in J mol–1 K–1
- ΔH°f and ΔG°f in kJ mol–1
T (K) | C°p | S° | –[G°-H°(Tr)]/T | H° -H°(Tr) | ΔH°f | ΔG°f | log Kf |
---|---|---|---|---|---|---|---|
0 | |||||||
100 | |||||||
200 | |||||||
280 | 75.563 | 65.215 | 70.102 | -1.368 | -286.41 | -240.123 | 44.796 |
298.15 | 75.351 | 69.95 | 69.95 | 0 | -285.83 | -237.141 | 41.546 |
300 | 75.349 | 70.416 | 69.952 | 0.139 | -285.771 | -236.839 | 41.237 |
320 | 75.344 | 75.279 | 70.134 | 1.646 | -285.137 | -233.598 | 38.131 |
340 | 75.388 | 79.847 | 70.573 | 3.153 | -284.506 | -230.396 | 35.396 |
360 | 75.679 | 84.164 | 71.209 | 4.664 | -283.874 | -227.231 | 32.97 |
372.78 | 75.962 | 86.808 | 71.699 | 5.633 | LIQUID | <–> | REAL GAS |
380 | 76.154 | 88.267 | 72 | 6.182 | 283.237 | 224.102 | 30.805 |
400 | 76.77 | 92.189 | 72.912 | 7.711 | -282.591 | -221.006 | 28.86 |
420 | 77.547 | 95.952 | 73.92 | 9.254 | -281.934 | -217.943 | 27.105 |
440 | 78.543 | 99.582 | 75.004 | 10.814 | -281.262 | -214.912 | 25.513 |
460 | 79.793 | 103.1 | 76.15 | 12.397 | -280.569 | -211.911 | 24.063 |
480 | 81.463 | 106.53 | 77.344 | 14.009 | -279.85 | -208.941 | 22.737 |
500 | 83.694 | 109.898 | 78.579 | 15.659 | -279.095 | -206.002 | 21.521 |