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 7801

Components

No. Formula Molar Mass CAS Registry Number Name
1 CO2 44.010 124-38-9 Carbon dioxide
2 C6H14 86.177 110-54-3 Hexane
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 308.150 K
Pressure 75.000 bar

Data Table

hE [J/mol] x1 [mol/mol]
9.000 0.04350
-238.000 0.12450
-509.000 0.19840
-655.000 0.26610
-964.000 0.32840
-1160.000 0.38590
-1440.000 0.43910
-1690.000 0.48840
-1960.000 0.53440
-2210.000 0.57730
-2470.000 0.61730
-2630.000 0.65490
-2820.000 0.69020
-3150.000 0.72340
-3210.000 0.75470
-3450.000 0.78420
-3450.000 0.81220
-3840.000 0.83870
-3850.000 0.86380
-3810.000 0.86380
-3880.000 0.88760
-4040.000 0.91030
-4090.000 0.93190
-4080.000 0.95250
-4050.000 0.95250
-3680.000 0.96240
-3100.000 0.97210
-1730.000 0.98160
-429.000 0.99090

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

Reference

Source
Christensen J.J.; Walker T.A.C.; Schofield R.S.; Faux P.W.; Harding P.R.; Izatt R.M.: The Excess Enthalpies of (Carbon Dioxide + Hexane) at 308.15, 358.15, and 413.15 K from 7.50 to 12.50 MPa. J.Chem.Thermodyn. 16 (1984) 445-451


Enthalpy of Mixing Data Set 7802

Components

No. Formula Molar Mass CAS Registry Number Name
1 CO2 44.010 124-38-9 Carbon dioxide
2 C6H14 86.177 110-54-3 Hexane
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 358.150 K
Pressure 75.000 bar

Data Table

hE [J/mol] x1 [mol/mol]
-41.000 0.04350
-367.000 0.12450
-693.000 0.19840
-1050.000 0.26610
-1320.000 0.32840
-1430.000 0.35770
-1580.000 0.38590
-1770.000 0.43910
-1790.000 0.48840
-1800.000 0.53440
-1690.000 0.57720
-1490.000 0.61730
-1240.000 0.65490
-940.000 0.69020
-679.000 0.72340
-581.000 0.75470
-415.000 0.76970
-295.000 0.78420
-164.000 0.81220
11.000 0.83870
218.000 0.85140
351.000 0.86380
478.000 0.88760
600.000 0.91030
753.000 0.93190
633.000 0.94230
428.000 0.95250
132.000 0.97210
43.000 0.99090

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

Reference

Source
Christensen J.J.; Walker T.A.C.; Schofield R.S.; Faux P.W.; Harding P.R.; Izatt R.M.: The Excess Enthalpies of (Carbon Dioxide + Hexane) at 308.15, 358.15, and 413.15 K from 7.50 to 12.50 MPa. J.Chem.Thermodyn. 16 (1984) 445-451


Enthalpy of Mixing Data Set 7803

Components

No. Formula Molar Mass CAS Registry Number Name
1 CO2 44.010 124-38-9 Carbon dioxide
2 C6H14 86.177 110-54-3 Hexane
Search the DDB for all data of this mixture

Miscibility gap: Yes

Constant Value

Temperature 413.150 K
Pressure 75.000 bar

Data Table

hE [J/mol] x1 [mol/mol]
-53.000 0.04380
-169.000 0.08560
-248.000 0.12540
-387.000 0.19980
-521.000 0.26780
-588.000 0.33030
-593.000 0.35770
-583.000 0.38790
-399.000 0.41500
-185.000 0.44110
113.000 0.49050
110.000 0.49050
498.000 0.53650
880.000 0.57930
1080.000 0.61930
1340.000 0.65680
1550.000 0.69200
1830.000 0.72510
2020.000 0.75620
2280.000 0.78570
2200.000 0.79980
2310.000 0.81350
2160.000 0.83980
2040.000 0.86480
1700.000 0.88850
1330.000 0.91100
951.000 0.93240
717.000 0.95290
330.000 0.97240
104.000 0.99100

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

Reference

Source
Christensen J.J.; Walker T.A.C.; Schofield R.S.; Faux P.W.; Harding P.R.; Izatt R.M.: The Excess Enthalpies of (Carbon Dioxide + Hexane) at 308.15, 358.15, and 413.15 K from 7.50 to 12.50 MPa. J.Chem.Thermodyn. 16 (1984) 445-451

Diagrams

Excess Enthalpies of Hexane+Carbon dioxide
See larger image

List of All References

Source
Christensen J.J.; Walker T.A.C.; Schofield R.S.; Faux P.W.; Harding P.R.; Izatt R.M.: The Excess Enthalpies of (Carbon Dioxide + Hexane) at 308.15, 358.15, and 413.15 K from 7.50 to 12.50 MPa. J.Chem.Thermodyn. 16 (1984) 445-451

Excess Enthalpy Data Overview


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