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 1743

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 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-38.470 0.00260
-77.090 0.00530
-149.500 0.01060
-211.700 0.01540
-333.200 0.02610
-429.300 0.03620
-536.300 0.05090
-614.800 0.06640
-659.200 0.07910
-699.900 0.09700
-717.900 0.11000
-719.300 0.11380
-725.000 0.12100
-728.400 0.12260
-728.100 0.12600
-730.400 0.13150
-734.200 0.13880
-732.300 0.13960
-732.500 0.14630
-734.100 0.15060
-731.600 0.15370
-731.100 0.16210
-728.000 0.16490
-723.300 0.17440
-723.700 0.17690
-716.400 0.18500
-716.300 0.18770
-707.700 0.19830
-705.000 0.20150
-702.900 0.20150
-695.100 0.21170
-688.800 0.21550
-684.400 0.22170
-673.300 0.23130
-669.400 0.23270
-657.900 0.24370
-646.000 0.25290
-635.700 0.25890
-633.600 0.26200
-625.000 0.26800
-600.800 0.28310
-554.100 0.31270
-469.500 0.36230
-380.200 0.41140
-255.200 0.47660
-81.590 0.56510
67.180 0.64390
152.600 0.69500
195.400 0.72270
234.900 0.75150
303.900 0.82980
306.000 0.83610
309.100 0.85160
308.600 0.85860
285.700 0.90030
284.900 0.90130
199.500 0.94800
196.400 0.94900

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

Reference

Source
Costigan M.J.; Hodges L.J.; Marsh K.N.; Stokes R.H.; Tuxford C.W.: Design Modifications for Measuring Exothermic Enthalpies of Mixing. Aust.J.Chem. 33 (1980) 2103-2119


Enthalpy of Mixing Data Set 1744

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 283.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-139.400 0.00820
-323.500 0.02050
-472.600 0.03230
-557.300 0.04060
-655.900 0.05190
-725.600 0.06150
-772.400 0.07130
-810.100 0.07960
-893.000 0.11720
-903.000 0.14840
-895.600 0.18250
-867.600 0.21550
-793.000 0.27080
-643.600 0.35680
-385.100 0.48800
-171.300 0.59900
34.500 0.70360
167.800 0.77990
217.700 0.82490
235.900 0.85730
240.300 0.88010
225.200 0.91540
162.400 0.95400

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

Reference

Source
Glew D.N.; Watts H.: Part XII. Enthalpies of Mixing of Water and Deuterium Oxide with Tetrahydrofuran. Can.J.Chem. 51 (1973) 1933-1940


Enthalpy of Mixing Data Set 1745

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 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-57.830 0.00390
-118.200 0.00820
-242.000 0.01770
-345.400 0.02800
-415.000 0.03290
-469.000 0.04190
-538.500 0.05060
-585.400 0.05870
-613.200 0.06660
-646.600 0.07250
-667.400 0.08030
-707.400 0.10070
-723.400 0.11500
-733.500 0.15220
-716.900 0.17920
-693.000 0.21580
-616.000 0.27450
-485.500 0.35620
-362.400 0.42430
-117.200 0.54690
98.600 0.66080
155.900 0.69760
227.500 0.74490
271.300 0.78450
297.800 0.80850
306.600 0.84850
306.500 0.86780
288.300 0.90390
244.800 0.93030
172.800 0.95740

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

Reference

Source
Glew D.N.; Watts H.: Part XII. Enthalpies of Mixing of Water and Deuterium Oxide with Tetrahydrofuran. Can.J.Chem. 51 (1973) 1933-1940

Diagrams

Excess Enthalpies of Tetrahydrofuran+Water
See larger image

List of All References

Source
Glew D.N.; Watts H.: Part XII. Enthalpies of Mixing of Water and Deuterium Oxide with Tetrahydrofuran. Can.J.Chem. 51 (1973) 1933-1940
Costigan M.J.; Hodges L.J.; Marsh K.N.; Stokes R.H.; Tuxford C.W.: Design Modifications for Measuring Exothermic Enthalpies of Mixing. Aust.J.Chem. 33 (1980) 2103-2119

Excess Enthalpy Data Overview


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