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 2013

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 60-29-7 Diethyl ether
2 C6H12 84.161 110-82-7 Cyclohexane
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]
159.098 0.09190
213.527 0.12480
263.768 0.16650
305.636 0.19450
360.065 0.25070
393.559 0.29780
422.867 0.34880
431.240 0.40100
427.053 0.40320
435.427 0.45410
439.614 0.49960
435.427 0.55100
410.306 0.60130
385.186 0.65180
343.317 0.70160
309.823 0.74990
259.582 0.80200
205.153 0.84990
138.164 0.90050
66.989 0.95050

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

Reference

Source
Arm H.; Bankay D.; Strub K.; Waelti M.: Dampfdrücke, thermodynamische Mischungsfunktionen und Brechungsindices des binären Systems Cyclohexan-Diäthyläther bei 25°. Helv.Chim.Acta 50 (1967) 1013-1016


Enthalpy of Mixing Data Set 5608

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 60-29-7 Diethyl ether
2 C6H12 84.161 110-82-7 Cyclohexane
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]
190.000 0.11020
295.000 0.18750
376.000 0.28000
424.000 0.39970
433.000 0.50330
411.000 0.59120
366.000 0.67940
263.000 0.79180
200.000 0.85060

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

Reference

Source
Marongiu B.; Dernini S.; Lepori L.; Matteoli E.; Kehiaian H.V.: 1. Excess Enthalpies of Linear Ethers or Acetals + Heptane or + Cyclohexane Mixtures. J.Chem.Eng.Data 33 (1988) 118-122


Enthalpy of Mixing Data Set 6198

Components

No. Formula Molar Mass CAS Registry Number Name
1 C4H10O 74.123 60-29-7 Diethyl ether
2 C6H12 84.161 110-82-7 Cyclohexane
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]
9.820 0.00430
14.930 0.00640
20.030 0.00860
24.740 0.01070
29.650 0.01280
34.380 0.01500
39.480 0.01710
49.300 0.02140
58.360 0.02570
62.810 0.02780
67.400 0.03000

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

Reference

Source
Trampe D.M.; Eckert C.A.: Calorimetric Measurement of Partial Molar Excess Enthalpies at Infinite Dilution. J.Chem.Eng.Data 36 (1991) 112-118

Diagrams

Excess Enthalpies of Diethyl ether+Cyclohexane
See larger image

List of All References

Source
Arm H.; Bankay D.; Strub K.; Waelti M.: Dampfdrücke, thermodynamische Mischungsfunktionen und Brechungsindices des binären Systems Cyclohexan-Diäthyläther bei 25°. Helv.Chim.Acta 50 (1967) 1013-1016
Marongiu B.; Dernini S.; Lepori L.; Matteoli E.; Kehiaian H.V.: 1. Excess Enthalpies of Linear Ethers or Acetals + Heptane or + Cyclohexane Mixtures. J.Chem.Eng.Data 33 (1988) 118-122
Trampe D.M.; Eckert C.A.: Calorimetric Measurement of Partial Molar Excess Enthalpies at Infinite Dilution. J.Chem.Eng.Data 36 (1991) 112-118

Excess Enthalpy Data Overview


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