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 1140

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
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]
421.192 0.08700
457.617 0.10560
571.498 0.17560
625.089 0.25360
637.231 0.30610
643.092 0.31220
655.234 0.37580
652.722 0.45510
612.947 0.56110
543.447 0.68120
469.759 0.75060
416.586 0.80290
289.308 0.88910
271.723 0.89160
154.074 0.94310

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

Reference

Source
Goates J.R.; Snow R.L.; James M.R.: Application of Quasi-Lattice Theory to Heats of Mixing in some Alcohol-Hydrocarbon Systems. J.Phys.Chem. 65 (1961) 335-336


Enthalpy of Mixing Data Set 1141

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C6H12 84.161 110-82-7 Cyclohexane
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 293.150 K

Data Table

hE [J/mol] x1 [mol/mol]
429.917 0.13240
543.486 0.26000
580.151 0.34000
590.044 0.50000
519.043 0.66830

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

Reference

Source
Grosse-Wortmann H.; Jost W.; Wagner H.G.: Kalorimetrische Messungen am System Äthanol-Cyclohexan-n-Heptan. Z.Phys.Chem.(München) 49 (1966) 74-93


Enthalpy of Mixing Data Set 1142

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
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]
274.500 0.03520
426.000 0.10270
537.500 0.18960
607.100 0.28790
627.100 0.33810
638.300 0.38830
642.200 0.43550
638.400 0.48230
629.000 0.52670
614.500 0.56840
538.300 0.68650
520.000 0.70660
494.300 0.73240
464.600 0.75990
426.700 0.78980
384.500 0.81960
316.400 0.86110
239.700 0.90150
154.600 0.94070
60.300 0.97790

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

Reference

Source
Nagata I.; Kazuma K.: Heats of Mixing for the Ternary System Ethanol-1-Propanol-Cyclohexane at 25° C. J.Chem.Eng.Data 22 (1977) 79-84

Diagrams

Excess Enthalpies of Ethanol+Cyclohexane
See larger image

List of All References

Source
Grosse-Wortmann H.; Jost W.; Wagner H.G.: Kalorimetrische Messungen am System Äthanol-Cyclohexan-n-Heptan. Z.Phys.Chem.(München) 49 (1966) 74-93
Goates J.R.; Snow R.L.; James M.R.: Application of Quasi-Lattice Theory to Heats of Mixing in some Alcohol-Hydrocarbon Systems. J.Phys.Chem. 65 (1961) 335-336
Nagata I.; Kazuma K.: Heats of Mixing for the Ternary System Ethanol-1-Propanol-Cyclohexane at 25° C. J.Chem.Eng.Data 22 (1977) 79-84

Excess Enthalpy Data Overview


© DDBST GmbH