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 1738
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H8O |
72.107 |
109-99-9 |
Tetrahydrofuran |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
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Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -126.860 |
0.15830 |
| -142.351 |
0.21950 |
| -196.780 |
0.28750 |
| -217.714 |
0.32970 |
| -241.160 |
0.39500 |
| -251.208 |
0.44710 |
| -260.837 |
0.50110 |
| -260.419 |
0.56000 |
| -230.693 |
0.69110 |
| -124.348 |
0.86470 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Mahl B.S.; Kooner Z.S.; Khurma J.R.: Thermodynamic Evidence for Complex Formation between Tetrahydrofuran and Aromatic Hydrocarbons. J.Chem.Eng.Data 23 (1978) 150-152 |
Enthalpy of Mixing Data Set 8777
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H8O |
72.107 |
109-99-9 |
Tetrahydrofuran |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
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Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -34.700 |
0.05960 |
| -70.200 |
0.11240 |
| -101.200 |
0.15970 |
| -132.500 |
0.20210 |
| -180.400 |
0.27540 |
| -218.000 |
0.33630 |
| -254.300 |
0.43180 |
| -269.000 |
0.50330 |
| -262.300 |
0.60320 |
| -234.700 |
0.69510 |
| -206.600 |
0.75250 |
| -159.000 |
0.82020 |
| -130.700 |
0.85880 |
| -93.400 |
0.90120 |
| -47.800 |
0.94800 |
| -24.100 |
0.97330 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Francesconi R.; Lunelli B.; Comelli F.: Excess Molar Enthalpies and Excess Molar Volumes of Binary Mixtures containing p-Xylene + Cyclic Ethers. Thermochim.Acta 207 (1992) 45-52 |
Diagrams
List of All References
| Source |
| Francesconi R.; Lunelli B.; Comelli F.: Excess Molar Enthalpies and Excess Molar Volumes of Binary Mixtures containing p-Xylene + Cyclic Ethers. Thermochim.Acta 207 (1992) 45-52 |
| Mahl B.S.; Kooner Z.S.; Khurma J.R.: Thermodynamic Evidence for Complex Formation between Tetrahydrofuran and Aromatic Hydrocarbons. J.Chem.Eng.Data 23 (1978) 150-152 |
Excess Enthalpy Data Overview
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