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 803

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H8O 72.107 109-99-9 Tetrahydrofuran
2 C2H6O 46.069 64-17-5 Ethanol
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]
0.0500 0.00900
0.2300 0.05000
0.8300 0.08800
0.9100 0.09790
1.3900 0.13200
1.7700 0.19930
1.7100 0.21000
2.0300 0.25200
2.4300 0.29980
2.6300 0.30400
2.5300 0.39400
2.8800 0.39600
2.8200 0.40180
2.9700 0.44240
2.6700 0.49270
3.2700 0.49900
2.8000 0.59900
2.4800 0.70110
1.3200 0.77000
1.7900 0.80000
1.0400 0.83200
0.5100 0.88600
0.8200 0.89820
0.0400 0.96000

(x - liquid mole fraction)

Reference

Source
Conti G.; Gianni P.; Matteoli E.: Excess enthalpies and excess heat capacities of the ternary system ethanol + tetrahydrofuran + cyclohexane at 298.15 K. Thermochim.Acta 247 (1994) 293-313


Excess Heat Capacity Data Set 2865

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H8O 72.107 109-99-9 Tetrahydrofuran
2 C2H6O 46.069 64-17-5 Ethanol
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]
0.5000 0.05320
0.8900 0.09890
1.7300 0.20180
2.4400 0.30840
2.8600 0.40000
3.0700 0.50150
3.0100 0.60740
2.6100 0.71100
1.9100 0.81040
0.9800 0.90480
0.5800 0.94260

(x - liquid mole fraction)

Reference

Source
Chavez H.; Pineiro A.; Brocos P.: Thermodynamics of Mixing Tetrahydrofuran with 1-Alkanols and Excess Enthalpies of Homomorphy-Related Systems. J.Chem.Eng.Data 52 (2007) 2298-2305

Diagrams

Excess Heat Capacity of Ethanol+Tetrahydrofuran
See larger image

List of All References

Source
Conti G.; Gianni P.; Matteoli E.: Excess enthalpies and excess heat capacities of the ternary system ethanol + tetrahydrofuran + cyclohexane at 298.15 K. Thermochim.Acta 247 (1994) 293-313
Chavez H.; Pineiro A.; Brocos P.: Thermodynamics of Mixing Tetrahydrofuran with 1-Alkanols and Excess Enthalpies of Homomorphy-Related Systems. J.Chem.Eng.Data 52 (2007) 2298-2305

Excess Heat Capacity Data Overview


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