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 1224

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
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]
-783.350 0.15680
-587.827 0.33380
-422.029 0.50000
-292.239 0.66360
-183.800 0.82930

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

Reference

Source
Belousov V.P.; Makarova I.L.: IX. Mischungswärme in ternären Systeme Wasser-Ethanol-Dioxan bei 25°C. Vestn.Leningr.Univ.Fiz.Khim. (1971) 113-117


Enthalpy of Mixing Data Set 1225

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 273.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-59.871 0.00410
-93.366 0.00670
-119.324 0.00880
-121.417 0.00880
-198.036 0.01440
-569.405 0.04520
-916.909 0.08680
-1101.130 0.16100
-1076.010 0.19600
-1009.020 0.20600
-703.382 0.48900
-456.361 0.66300
-373.044 0.74500
-204.316 0.88600
-185.475 0.90100
-123.511 0.94300
-55.684 0.97200

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

Reference

Source
Belousov V.P.; Makarova I.L.: VIII. Mischungswärme in binären Systemen Ethanol-Wasser, Dioxan-Wasser und Dioxan-Ethanol. Vestn.Leningr.Univ.Fiz.Khim. (1970) 101-107


Enthalpy of Mixing Data Set 1226

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
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]
-31.987 0.00320
-47.311 0.00420
-64.058 0.00660
-142.351 0.01450
-154.493 0.01580
-258.744 0.02760
-368.020 0.04050
-378.487 0.04110
-415.749 0.04680
-502.416 0.05940
-640.580 0.09000
-715.943 0.13900
-782.931 0.15700
-753.624 0.18200
-741.063 0.19100
-556.844 0.36200
-514.976 0.40500
-443.801 0.46400
-415.330 0.50100
-400.258 0.51900
-389.372 0.52500
-303.961 0.64200
-213.527 0.78300
-131.884 0.89000
-104.670 0.92700
-83.317 0.94400
-54.010 0.96500

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

Reference

Source
Belousov V.P.; Makarova I.L.: VIII. Mischungswärme in binären Systemen Ethanol-Wasser, Dioxan-Wasser und Dioxan-Ethanol. Vestn.Leningr.Univ.Fiz.Khim. (1970) 101-107

Diagrams

Excess Enthalpies of Ethanol+Water
See larger image

List of All References

Source
Belousov V.P.; Makarova I.L.: IX. Mischungswärme in ternären Systeme Wasser-Ethanol-Dioxan bei 25°C. Vestn.Leningr.Univ.Fiz.Khim. (1971) 113-117
Belousov V.P.; Makarova I.L.: VIII. Mischungswärme in binären Systemen Ethanol-Wasser, Dioxan-Wasser und Dioxan-Ethanol. Vestn.Leningr.Univ.Fiz.Khim. (1970) 101-107

Excess Enthalpy Data Overview


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