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 8004

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4 16.043 74-82-8 Methane
2 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 363.150 K

Data Table

hE [J/mol] x1 [mol/mol]
58.800 0.36900
62.000 0.41300
62.600 0.46800
62.300 0.57000
60.700 0.60400
58.500 0.62600
53.100 0.69200
48.300 0.73300
42.900 0.78100
32.500 0.84400

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

Reference

Source
Wormald C.J.: A Differential-Flow Mixing Calorimeter. The Excess Enthalpy of Methane + Benzene, Methane + Cyclohexane, and Benzene + Cyclohexane. J.Chem.Thermodyn. 9 (1977) 901-910


Enthalpy of Mixing Data Set 8005

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4 16.043 74-82-8 Methane
2 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 373.150 K

Data Table

hE [J/mol] x1 [mol/mol]
48.500 0.29500
55.700 0.38600
56.700 0.42100
56.700 0.44500
57.500 0.47700
57.500 0.52900
53.700 0.63800
50.600 0.67400
44.600 0.73200
30.300 0.83900

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

Reference

Source
Wormald C.J.: A Differential-Flow Mixing Calorimeter. The Excess Enthalpy of Methane + Benzene, Methane + Cyclohexane, and Benzene + Cyclohexane. J.Chem.Thermodyn. 9 (1977) 901-910


Enthalpy of Mixing Data Set 8006

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4 16.043 74-82-8 Methane
2 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 383.150 K

Data Table

hE [J/mol] x1 [mol/mol]
47.700 0.34400
50.000 0.39100
53.200 0.43600
53.100 0.49000
52.700 0.55500
52.400 0.56900
49.200 0.63700
46.700 0.66800
41.200 0.73400
32.500 0.80800

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

Reference

Source
Wormald C.J.: A Differential-Flow Mixing Calorimeter. The Excess Enthalpy of Methane + Benzene, Methane + Cyclohexane, and Benzene + Cyclohexane. J.Chem.Thermodyn. 9 (1977) 901-910

Diagrams

Excess Enthalpies of Benzene+Methane
See larger image

List of All References

Source
Wormald C.J.: A Differential-Flow Mixing Calorimeter. The Excess Enthalpy of Methane + Benzene, Methane + Cyclohexane, and Benzene + Cyclohexane. J.Chem.Thermodyn. 9 (1977) 901-910

Excess Enthalpy Data Overview


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