Constantes termodinámicas de algunas sustancias
inorgánicas.
|
Formula
|
ΔHform., kJ/mol |
ΔS, |
ΔG, kJ/mol |
Capacidad
calorífica molar, J/mol·К |
|
Ag (s) |
0 |
0 |
42.55 |
25.351 |
|
Ag+ (aq) |
+105.58 |
+77.11 |
72.68 |
21.8 |
|
Al (s) |
0 |
0 |
28.33 |
24.35 |
|
Al3+ (aq) |
–531 |
–485 |
–321.7 |
|
|
Ba (s) |
0 |
0 |
62.8 |
28.07 |
|
Ba2+ (aq) |
–537.64 |
–560.77 |
9.6 |
|
|
Br2 (l) |
0 |
0 |
152.23 |
75.689 |
|
Br2 (g) |
|
+30.907 |
+3.110 |
245.46 |
|
Br- (aq) |
–121.55 |
–103.96 |
82.4 |
–141.8 |
|
HBr (g) |
–36.40 –53.45 |
198.70 |
29.142 |
|
|
C (s, grafito) |
0 |
0 |
5.740 |
8.527 |
|
C (s, diamante) |
+1.895 |
+2.900 |
2.377 |
6.113 |
|
C (g) |
+716.68 |
+671.26 |
158.10 |
20.838 |
|
CO (g) |
–110.53 |
–137.17 |
197.67 |
29.14 |
|
CO2 (g) |
–393.51 |
–394.36 |
213.74 |
37.11 |
|
HCO3- (aq) |
–691.99 |
–586.77 |
91.2 |
|
|
CO32- (aq) |
–677.14 |
–527.81 |
–56.9 |
|
|
Ca (s) |
0 |
0 |
41.42 |
25.31 |
|
Ca2+ (aq) |
–542.83 |
–553.58 |
–53.1 |
|
|
CaO (s) |
–635.09 |
–604.03 |
39.75 |
42.80 |
|
CaCO3 (s, calcita) |
–1206.9 |
–1128.8 |
92.9 |
81.88 |
|
CaCO3 (s, aragonita) |
–1207.1 |
–1127.8 |
88.7 |
81.25 |
|
Cl2
(g) |
0 |
0 |
223.07 |
33.91 |
|
Cl (g) |
+121.68 |
+105.68 |
165.20 |
21.84 |
|
Cl- (aq) |
–167.16 |
–131.23 |
56.5 |
–136.4 |
|
HCl (g) |
–92.31 |
–95.30 |
186.91 |
29.12 |
|
Cu (s) |
0 |
0 |
33.150 |
24.44 |
|
Cu+ (aq) |
+71.67 |
+49.98 |
40.6 |
|
|
Cu2+ (aq) |
+64.77 |
+65.49 |
–99.6 |
|
|
F2 (g) |
0 |
0 |
202.78 |
31.30 |
|
F (g) |
+78.99 |
+61.91 |
158.75 |
22.74 |
|
F- (aq) |
|
–332.63 |
–278.79 |
–13.8 |
|
HF (g) |
–271.1 |
–273.2 |
173.78 |
29.13 |
|
Fe (s) |
0 |
0 |
27.28 |
25.10 |
|
Fe2+ (aq) |
–89.1 |
–78.90 |
–137.7 |
|
|
Fe3+ (aq) |
–48.5 |
–4.7 |
–315.9 |
|
|
Fe3О4
(s, magnetita) |
–1118.4 |
–1015.4 |
146.4 |
143.43 |
|
Fe2О3
(s, hematita) |
–824.2 |
–742.2 |
87.40 |
103.85 |
|
H2 (g) |
0 |
0 |
130.684 |
28.824 |
|
H (g) |
+217.97 |
+203.25 |
114.71 |
20.784 |
|
H+ (aq) |
0 |
0 |
0 |
0 |
|
H2O (l) |
–285.83 |
–237.13 |
69.91 |
75.291 |
|
H2O (g) |
–241.82 |
–228.57 |
188.83 |
33.58 |
|
Hg (l) |
0 |
0 |
76.02 |
27.983 |
|
Hg2+ (aq) |
+171.1 |
+164.40 |
–32.2 |
|
|
Hg22+ (aq) |
+172.4 |
+153.52 |
84.5 |
|
|
I2 (s) |
0 |
0 |
116.135 |
54.44 |
|
I2 (g) |
+62.44 |
+19.33 |
260.69 |
36.90 |
|
I (g) |
+106.84 |
+70.25 |
180.79 |
20.786 |
|
I- (aq) |
–55.19 |
–51.57 |
111.3 |
–142.3 |
|
HI (g) |
+26.48 |
+1.70 |
206.59 |
29.158 |
|
K (s) |
0 |
0 |
64.18 |
29.58 |
|
K+ (aq) |
–252.38 |
–283.27 |
102.5 |
21.8 |
|
KOH (s) |
–424.76 |
–379.08 |
78.9 |
64.9 |
|
Mg (s) |
0 |
0 |
32.68 |
24.89 |
|
Mg2+ (aq) |
–466.85 |
–454.8 |
–138.1 |
|
|
MgO (s) |
–601.70 |
–569.43 |
26.94 |
37.15 |
|
MgCO3 (s) |
–1095.8 |
–1012.1 |
65.7 |
75.52 |
|
N2 (g) |
0 |
0 |
191.61 |
29.125 |
|
N (g) |
+472.70 |
+455.56 |
153.30 |
20.786 |