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 537

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C8H10 106.167 108-38-3 m-Xylene
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]
0.0080 0.11065
0.0080 0.20220
0.0090 0.30582
0.0100 0.39271
0.0160 0.50007
0.0160 0.60611
0.0180 0.69530
0.0190 0.79491
0.0160 0.89616

(x - liquid mole fraction)

Reference

Source
Fortier J.-L.; Benson G.C.: Heat Capacities of Binary C8 Alkylbenzene Mixtures. J.Chem.Eng.Data 25 (1980) 47-49


Excess Heat Capacity Data Set 730

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C8H10 106.167 108-38-3 m-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 303.65 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
0.0030 0.04900
0.0070 0.14900
0.0110 0.25210
0.0150 0.35110
0.0170 0.45170
0.0200 0.54890
0.0210 0.65020
0.0200 0.74580
0.0170 0.84790
0.0100 0.95170

(x - liquid mole fraction)

Reference

Source
Jain D.V.S.; Chadha R.; Sehgal S.K.: Excess molar heat capacities of binary mixtures of the isomeric xylenes at 303.65 - 321.65 K. Fluid Phase Equilib. 96 (1994) 195-202


Excess Heat Capacity Data Set 731

Components

No. Formula Molar Mass CAS Registry Number Name
1 C8H10 106.167 106-42-3 p-Xylene
2 C8H10 106.167 108-38-3 m-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 306.65 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
0.0030 0.04900
0.0070 0.14900
0.0120 0.25210
0.0160 0.35110
0.0180 0.45170
0.0210 0.54890
0.0220 0.65020
0.0210 0.74580
0.0180 0.84790
0.0110 0.95170

(x - liquid mole fraction)

Reference

Source
Jain D.V.S.; Chadha R.; Sehgal S.K.: Excess molar heat capacities of binary mixtures of the isomeric xylenes at 303.65 - 321.65 K. Fluid Phase Equilib. 96 (1994) 195-202

Diagrams

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

List of All References

Source
Fortier J.-L.; Benson G.C.: Heat Capacities of Binary C8 Alkylbenzene Mixtures. J.Chem.Eng.Data 25 (1980) 47-49
Jain D.V.S.; Chadha R.; Sehgal S.K.: Excess molar heat capacities of binary mixtures of the isomeric xylenes at 303.65 - 321.65 K. Fluid Phase Equilib. 96 (1994) 195-202

Excess Heat Capacity Data Overview


© DDBST GmbH