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 12513
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CO2 |
44.010 |
124-38-9 |
Carbon dioxide |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
75.000 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -554.600 |
0.17900 |
| -933.300 |
0.32900 |
| -1234.700 |
0.45600 |
| -1472.900 |
0.56600 |
| -1591.400 |
0.66200 |
| -1613.900 |
0.70500 |
| -1605.200 |
0.74600 |
| -1482.000 |
0.82000 |
| -1262.100 |
0.88600 |
| -856.700 |
0.94600 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Hauser R.A.; Zhao J.P.; Tremaine P.R.; Mather A.E.: Excess molar enthalpies of six (carbon dioxide + a polar solvent) mixtures at the temperatures 298.15 K and 308.15 K and pressures from 7.5 MPa to 12.6 MPa. J.Chem.Thermodyn. 28 (1996) 1303-1317 |
Enthalpy of Mixing Data Set 12514
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CO2 |
44.010 |
124-38-9 |
Carbon dioxide |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
106.000 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -429.800 |
0.18300 |
| -791.500 |
0.33400 |
| -1073.500 |
0.46200 |
| -1335.600 |
0.66700 |
| -1334.400 |
0.71000 |
| -1276.700 |
0.75000 |
| -1149.900 |
0.82300 |
| -919.100 |
0.88900 |
| -306.400 |
0.97400 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Hauser R.A.; Zhao J.P.; Tremaine P.R.; Mather A.E.: Excess molar enthalpies of six (carbon dioxide + a polar solvent) mixtures at the temperatures 298.15 K and 308.15 K and pressures from 7.5 MPa to 12.6 MPa. J.Chem.Thermodyn. 28 (1996) 1303-1317 |
Enthalpy of Mixing Data Set 12515
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CO2 |
44.010 |
124-38-9 |
Carbon dioxide |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
126.000 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -430.200 |
0.18500 |
| -738.000 |
0.33700 |
| -1002.800 |
0.46500 |
| -1170.000 |
0.57500 |
| -1244.400 |
0.67000 |
| -1185.800 |
0.75200 |
| -1038.600 |
0.82500 |
| -825.700 |
0.89000 |
| -498.800 |
0.94700 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Hauser R.A.; Zhao J.P.; Tremaine P.R.; Mather A.E.: Excess molar enthalpies of six (carbon dioxide + a polar solvent) mixtures at the temperatures 298.15 K and 308.15 K and pressures from 7.5 MPa to 12.6 MPa. J.Chem.Thermodyn. 28 (1996) 1303-1317 |
Diagrams
List of All References
| Source |
| Hauser R.A.; Zhao J.P.; Tremaine P.R.; Mather A.E.: Excess molar enthalpies of six (carbon dioxide + a polar solvent) mixtures at the temperatures 298.15 K and 308.15 K and pressures from 7.5 MPa to 12.6 MPa. J.Chem.Thermodyn. 28 (1996) 1303-1317 |
Excess Enthalpy Data Overview
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