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 4439
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
60-29-7 |
Diethyl ether |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
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Miscibility gap: Yes
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -43.900 |
0.00290 |
| -70.100 |
0.00460 |
| -93.800 |
0.00630 |
| -115.300 |
0.00780 |
| -158.800 |
0.01170 |
| 276.300 |
0.95260 |
| 278.800 |
0.95550 |
| 226.600 |
0.96640 |
| 210.800 |
0.96880 |
| 190.800 |
0.97310 |
| 143.500 |
0.98000 |
| 115.500 |
0.98500 |
| 91.800 |
0.98760 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Villamanan M.A.; Allawi A.J.; van Ness H.C.: Vapor-Liquid-Liquid Equilibrium and Heats of Mixing for Diethyl Ether/Water at 35 °C. J.Chem.Eng.Data 29 (1984) 431-435 |
Enthalpy of Mixing Data Set 14453
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
60-29-7 |
Diethyl ether |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -263.768 |
0.01590 |
| -242.834 |
0.05000 |
| -217.714 |
0.10000 |
| -188.406 |
0.15000 |
| -159.098 |
0.20000 |
| -129.791 |
0.25000 |
| -104.670 |
0.30000 |
| -75.362 |
0.35000 |
| -46.055 |
0.40000 |
| -16.747 |
0.45000 |
| 8.374 |
0.50000 |
| 37.681 |
0.55000 |
| 66.989 |
0.60000 |
| 96.296 |
0.65000 |
| 121.417 |
0.70000 |
| 150.725 |
0.75000 |
| 180.032 |
0.80000 |
| 209.340 |
0.85000 |
| 234.461 |
0.90000 |
| 263.768 |
0.95000 |
| 263.768 |
0.95020 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Signer R.; Arm H.; Daeniker H.: 8. Mitteilung: Dampfdrücke, Dichten, thermodynamische Mischungsfunktionen und Brechungsindices der binären Systeme Wasser - Tetrahydrofuran und Wasser - Diäthyläther bei 25 °C. Helv.Chim.Acta 52 (1969) 2347-2351 |
Diagrams
List of All References
| Source |
| Signer R.; Arm H.; Daeniker H.: 8. Mitteilung: Dampfdrücke, Dichten, thermodynamische Mischungsfunktionen und Brechungsindices der binären Systeme Wasser - Tetrahydrofuran und Wasser - Diäthyläther bei 25 °C. Helv.Chim.Acta 52 (1969) 2347-2351 |
| Villamanan M.A.; Allawi A.J.; van Ness H.C.: Vapor-Liquid-Liquid Equilibrium and Heats of Mixing for Diethyl Ether/Water at 35 °C. J.Chem.Eng.Data 29 (1984) 431-435 |
Excess Enthalpy Data Overview
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