Dortmund Data Bank

Excess Heat Capacity 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.


Excess Heat Capacity Data Set 279

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H6 78.114 71-43-2 Benzene
2 C8H10 106.167 106-42-3 p-Xylene
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Miscibility gap: No

Constant Value

Temperature 298.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
-0.1690 0.10078
-0.3520 0.20907
-0.4700 0.29575
-0.5770 0.40460
-0.6260 0.49751
-0.6440 0.58791
-0.6120 0.68784
-0.5020 0.78969
-0.3330 0.87721

(x - liquid mole fraction)

Reference

Source
Fortier J.-L.; Benson G.C.: Heat Capacities of Some Binary Aromatic Hydrocarbon Mixtures Containing Benzene or Toluene. J.Chem.Eng.Data 24 (1979) 34-37


Excess Heat Capacity Data Set 915

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
-0.7100 0.24990
-0.8000 0.49850
-0.5400 0.73830

(x - liquid mole fraction)

Reference

Source
Hyder Khan V.; Subrahmanyam S.V.: Excess Thermodynamic Functions of the Systems: Benzene + p-Xylene and Benzene + p-Dioxan. Trans.Faraday Soc. 67 (1971) 2282-2291


Excess Heat Capacity Data Set 916

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 313.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
-0.5900 0.24990
-0.8800 0.49850
-0.7100 0.73830

(x - liquid mole fraction)

Reference

Source
Hyder Khan V.; Subrahmanyam S.V.: Excess Thermodynamic Functions of the Systems: Benzene + p-Xylene and Benzene + p-Dioxan. Trans.Faraday Soc. 67 (1971) 2282-2291

Diagrams

Excess Heat Capacity of Benzene+p-Xylene
See larger image

List of All References

Source
Fortier J.-L.; Benson G.C.: Heat Capacities of Some Binary Aromatic Hydrocarbon Mixtures Containing Benzene or Toluene. J.Chem.Eng.Data 24 (1979) 34-37
Hyder Khan V.; Subrahmanyam S.V.: Excess Thermodynamic Functions of the Systems: Benzene + p-Xylene and Benzene + p-Dioxan. Trans.Faraday Soc. 67 (1971) 2282-2291

Excess Heat Capacity Data Overview


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