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 7962

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 H2O 18.015 7732-18-5 Water
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Miscibility gap: Yes

Constant Value

Temperature 363.150 K
Pressure 9.500 bar

Data Table

hE [J/mol] x1 [mol/mol]
15.419 0.01060
21.009 0.02210
34.079 0.04840
48.624 0.08020
66.512 0.11940
89.651 0.16900
120.398 0.23370
162.300 0.32180
223.496 0.44860
317.652 0.64670
384.730 0.79440
430.458 0.88800
454.634 0.94140
468.452 0.97000
476.140 0.98480

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

Reference

Source
Gmehling J.: unpublished data. Unpublished Data (2011) 1-43


Enthalpy of Mixing Data Set 8016

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 H2O 18.015 7732-18-5 Water
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Miscibility gap: No

Constant Value

Temperature 363.200 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol]
96.300 0.39200
100.200 0.46300
99.100 0.46400
99.800 0.47800
102.300 0.49400
100.900 0.49700
98.700 0.50100
97.600 0.53600
97.300 0.56900
93.900 0.61800

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

Reference

Source
Wormald C.J.; Lancaster N.M.: Excess Molar Enthalpies for (Water + Benzene)(g) and (Water + Cyclohexane)(g). J.Chem.Thermodyn. 17 (1985) 903-908


Enthalpy of Mixing Data Set 8017

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 373.200 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol]
85.900 0.38300
86.700 0.40600
88.700 0.45900
88.500 0.48100
87.500 0.48500
90.500 0.48800
90.300 0.51200
88.100 0.53700
88.100 0.54900
83.900 0.61900

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

Reference

Source
Wormald C.J.; Lancaster N.M.: Excess Molar Enthalpies for (Water + Benzene)(g) and (Water + Cyclohexane)(g). J.Chem.Thermodyn. 17 (1985) 903-908

Diagrams

Excess Enthalpies of Benzene+Water
See larger image

List of All References

Source
Gmehling J.: unpublished data. Unpublished Data (2011) 1-43
Wormald C.J.; Lancaster N.M.: Excess Molar Enthalpies for (Water + Benzene)(g) and (Water + Cyclohexane)(g). J.Chem.Thermodyn. 17 (1985) 903-908

Excess Enthalpy Data Overview


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