Dortmund Data Bank

Excess Enthalpy Data

The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.


Enthalpy of Mixing Data Set 815

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-481.200 0.07800
-663.500 0.12750
-835.800 0.20400
-881.600 0.27300
-851.700 0.42350
-843.100 0.45200
-808.400 0.51100
-782.400 0.52700
-728.800 0.58750
-629.500 0.68700
-468.000 0.79550

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Abello L.: Enthalpies d'excès des systèmes binaires constitués d'hydrocarbures benzéniques et du chloroforme ou du méthylchloroforme. J.Chim.Phys.Phys.-Chim.Biol. 70 (1973) 1355-1359


Enthalpy of Mixing Data Set 816

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-256.232 0.90400
-221.900 0.92000
-192.593 0.93200
-183.382 0.93600
-115.556 0.95900
-75.362 0.97500
-51.916 0.98300
-23.153 0.99300
-14.277 0.99600

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Belousov V.P.; Panov M.Yu.: XI. Lösungsenthalpie des Wassers in den Alkoholen. Vestn.Leningr.Univ.Fiz.Khim. 10 (1976) 149-150


Enthalpy of Mixing Data Set 817

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-200.003 0.02920
-499.904 0.08310
-584.059 0.10290
-607.923 0.10910
-784.188 0.17250
-830.661 0.20450
-888.857 0.29490
-886.345 0.32220
-869.179 0.38640
-819.357 0.47860
-722.223 0.59780
-637.649 0.67850
-516.232 0.76840
-351.272 0.86140
-136.699 0.95280

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Benjamin L.; Benson G.C.: A Deuterium Isotope Effect on the Excess Enthalpy of Methanol Water Solutions. J.Phys.Chem. 67 (1963) 858-861

Diagrams

Excess Enthalpies of Methanol+Water
See larger image

List of All References

Source
Benjamin L.; Benson G.C.: A Deuterium Isotope Effect on the Excess Enthalpy of Methanol Water Solutions. J.Phys.Chem. 67 (1963) 858-861
Abello L.: Enthalpies d'excès des systèmes binaires constitués d'hydrocarbures benzéniques et du chloroforme ou du méthylchloroforme. J.Chim.Phys.Phys.-Chim.Biol. 70 (1973) 1355-1359
Belousov V.P.; Panov M.Yu.: XI. Lösungsenthalpie des Wassers in den Alkoholen. Vestn.Leningr.Univ.Fiz.Khim. 10 (1976) 149-150

Excess Enthalpy Data Overview


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