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 1625

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 H2O 18.015 7732-18-5 Water
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Miscibility gap: No

Constant Value

Temperature 273.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-20.934 0.00100
-97.134 0.00500
-257.907 0.01400
-439.614 0.02600
-866.667 0.08300
-870.854 0.08700
-983.898 0.13500
-921.096 0.17900
-862.481 0.22600
-401.933 0.50900
-106.345 0.70400
-9.211 0.78800
33.494 0.86400
30.982 0.90400
22.609 0.93900

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

Reference

Source
Belousov V.P.; Ponner V.: Mischungswärme der Flüssigkeiten. V.Mischungs- und Lösungswärme im System Isopropanol-Wasser bei 0, 35, 55 und 75 °C. Vestn.Leningr.Univ.Fiz.Khim. 9 (1969) 142-144


Enthalpy of Mixing Data Set 1626

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 308.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-33.494 0.00290
-121.417 0.01300
-355.878 0.05700
-456.361 0.10300
-439.614 0.15100
-171.659 0.35100
-33.494 0.44800
157.424 0.57700
211.015 0.67300
217.714 0.76700
146.538 0.89100
103.833 0.92900
48.148 0.96900

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

Reference

Source
Belousov V.P.; Ponner V.: Mischungswärme der Flüssigkeiten. V.Mischungs- und Lösungswärme im System Isopropanol-Wasser bei 0, 35, 55 und 75 °C. Vestn.Leningr.Univ.Fiz.Khim. 9 (1969) 142-144


Enthalpy of Mixing Data Set 1627

Components

No. Formula Molar Mass CAS Registry Number Name
1 C3H8O 60.096 67-63-0 2-Propanol
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 328.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-36.006 0.00470
-115.137 0.01900
-209.340 0.06300
-234.461 0.08400
-247.021 0.10000
-198.873 0.13800
-173.333 0.15800
-160.354 0.16300
-8.792 0.25000
146.538 0.35900
292.657 0.45600
410.306 0.61500
418.680 0.63700
319.871 0.78900
185.057 0.90300
174.590 0.90900
69.920 0.96700

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

Reference

Source
Belousov V.P.; Ponner V.: Mischungswärme der Flüssigkeiten. V.Mischungs- und Lösungswärme im System Isopropanol-Wasser bei 0, 35, 55 und 75 °C. Vestn.Leningr.Univ.Fiz.Khim. 9 (1969) 142-144

Diagrams

Excess Enthalpies of 2-Propanol+Water
See larger image

List of All References

Source
Belousov V.P.; Ponner V.: Mischungswärme der Flüssigkeiten. V.Mischungs- und Lösungswärme im System Isopropanol-Wasser bei 0, 35, 55 und 75 °C. Vestn.Leningr.Univ.Fiz.Khim. 9 (1969) 142-144

Excess Enthalpy Data Overview


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