Comp.
Mn
+
T/K
free energy change
(
kJ mol
-1
)
Enthalpy change
(
kJ mol
-1
)
Entropy change
(
J mol
-1
K
-1
)
-
Δ
G
1
-
Δ
G
2
Δ
H
1
Δ
H
2
Δ
S
1
Δ
S
2
Mn
2+
298
28.52
23.96
33.55
32.63
208.31
189.91
AAS
308
30.54
25.77
208.11
189.61
318
32.69
27.76
208.32
189.92
Co
2+
298
29.55
24.93
26.35
30.82
187.60
187.09
308
31.55
26.71
187.98
186.80
318
33.30
28.67
187.59
187.10
Ni
2+
298
29.89
25.27
25.45
29.00
185.73
182.13
308
31.90
27.00
186.21
181.84
318
33.61
28.92
185.72
182.14
Cu
2+
298
31.03
26.30
31.63
26.37
210.30
176.75
308
33.14
28.24
210.31
177.33
318
34.70
29.83
208.60
176.74
PAAS
Mn
2+
298
42.45
36.57
40.82
37.21
279.43
247.59
308
45.23
39.09
279.39
247.75
318
48.04
41.52
279.43
247.59
Co
2+
298
43.53
37.60
39.01
35.36
276.99
244.83
308
46.29
39.98
276.96
244.62
318
49.07
42.49
276.99
244.84
Ni
2+
298
44.04
37.94
35.36
30.01
266.47
228.03
308
46.64
40.45
272.07
228.78
318
49.50
43.04
272.49
229.74
Cu
2+
298
45.36
39.19
36.26
35.38
273.89
250.26
308
48.00
41.69
273.58
250.24
318
50.84
44.20
273.90
250.26
Table 5:
Thermodynamic functions for ML and ML2 complexes of AAS and PAAS in 20 % (by volume) ethanol-water mixture and 0.1 M KCl.
