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 320

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H8O 72.107 109-99-9 Tetrahydrofuran
2 H2O 18.015 7732-18-5 Water
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]
1.0200 0.00586
1.8200 0.01068
2.5000 0.01489
3.3600 0.02031
4.0900 0.02507
4.8900 0.03037
5.4600 0.03443
6.2500 0.04028
6.8500 0.04509
9.2700 0.07043
10.4400 0.09533
11.0900 0.11028
12.3500 0.14868
12.4500 0.18773
12.3300 0.19618
12.5400 0.20327
12.7300 0.23020
12.5900 0.24784
12.3500 0.26858
12.4300 0.30163
12.1600 0.32685
12.0100 0.39519
11.2300 0.44614
11.0300 0.48948
10.7900 0.49927
10.5200 0.54653
10.3400 0.58256
10.1400 0.59668
9.7400 0.64308
9.0600 0.69486
8.1900 0.74895
7.4300 0.77521
6.9100 0.79998
5.9900 0.82429
5.0900 0.85000
3.5200 0.89882
2.4100 0.92252
1.5200 0.94788
0.7300 0.96413

(x - liquid mole fraction)

Reference

Source
Kiyohara O.; D'Arcy P.J.; Benson G.C.: Ultrasonic velocities, compressibilities, and heat capacities of water + tetrahydrofuran mixtures at 298.15 K. Can.J.Chem. 57 (1979) 1006-1010


Excess Heat Capacity Data Set 434

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H8O 72.107 109-99-9 Tetrahydrofuran
2 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 283.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
5.2574 0.76860
4.8007 0.79930
4.2518 0.82660
3.7685 0.85790
3.0302 0.89300
1.9605 0.92690
0.5631 0.96300

(x - liquid mole fraction)

Reference

Source
Costas M.; Patterson D.: Heat Capacities of Water + Organic-solvent Mixtures. J.Chem.Soc.Faraday Trans.1 81 (1985) 2381-2398


Excess Heat Capacity Data Set 435

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H8O 72.107 109-99-9 Tetrahydrofuran
2 H2O 18.015 7732-18-5 Water
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]
6.9566 0.76850
6.4135 0.79800
5.5674 0.82520
5.7149 0.82550
4.7294 0.85690
3.6838 0.89020
3.5927 0.89030
2.4013 0.92600
0.9302 0.96050
0.9716 0.96090
0.6885 0.96820
0.3767 0.97710
0.3176 0.98350
0.06993 0.99260

(x - liquid mole fraction)

Reference

Source
Costas M.; Patterson D.: Heat Capacities of Water + Organic-solvent Mixtures. J.Chem.Soc.Faraday Trans.1 81 (1985) 2381-2398

Diagrams

Excess Heat Capacity of Tetrahydrofuran+Water
See larger image

List of All References

Source
Kiyohara O.; D'Arcy P.J.; Benson G.C.: Ultrasonic velocities, compressibilities, and heat capacities of water + tetrahydrofuran mixtures at 298.15 K. Can.J.Chem. 57 (1979) 1006-1010
Costas M.; Patterson D.: Heat Capacities of Water + Organic-solvent Mixtures. J.Chem.Soc.Faraday Trans.1 81 (1985) 2381-2398

Excess Heat Capacity Data Overview


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