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 |