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 4708

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 71-36-3 1-Butanol
2 CH4O 32.042 67-56-1 Methanol
3 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 293.150 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol] x2 [mol/mol]
-839.680 0.07250 0.27590
-612.250 0.13760 0.25660
-431.060 0.19640 0.23910
-277.740 0.24980 0.22320
-159.850 0.29850 0.20870
158.610 0.48910 0.15200
263.800 0.62140 0.11260
301.230 0.71850 0.08370
289.620 0.79290 0.06160
257.920 0.85170 0.04410
215.920 0.89940 0.02990
155.020 0.93780 0.01820
75.720 0.97180 0.00840

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

Reference

Source
Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732


Enthalpy of Mixing Data Set 4709

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 71-36-3 1-Butanol
2 CH4O 32.042 67-56-1 Methanol
3 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 298.150 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol] x2 [mol/mol]
-782.910 0.07250 0.27590
-557.680 0.13760 0.25660
-353.380 0.19640 0.23910
-179.760 0.24980 0.22320
-69.355 0.29850 0.20870
244.750 0.48910 0.15200
349.440 0.62140 0.11260
368.620 0.71850 0.08370
353.510 0.79290 0.06160
308.750 0.85170 0.04410
247.380 0.89940 0.02990
178.880 0.93780 0.01820
89.120 0.97180 0.00840

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

Reference

Source
Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732


Enthalpy of Mixing Data Set 4710

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 71-36-3 1-Butanol
2 CH4O 32.042 67-56-1 Methanol
3 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 303.150 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol] x2 [mol/mol]
-700.100 0.07250 0.27590
-472.840 0.13760 0.25660
-280.290 0.19640 0.23910
-121.010 0.24980 0.22320
-6.095 0.29850 0.20870
323.770 0.48910 0.15200
401.240 0.62140 0.11260
418.500 0.71850 0.08370
389.150 0.79290 0.06160
333.070 0.85170 0.04410
274.970 0.89940 0.02990
189.740 0.93780 0.01820
88.460 0.97180 0.00840

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

Reference

Source
Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732

List of All References

Source
Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732

Excess Enthalpy Data Overview


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