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 14106
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C8H10 |
106.167 |
108-38-3 |
m-Xylene |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -10.700 |
0.17200 |
| -9.100 |
0.21000 |
| -8.500 |
0.23300 |
| -8.900 |
0.26000 |
| -6.000 |
0.29000 |
| -1.800 |
0.37900 |
| 9.500 |
0.53400 |
| 25.900 |
0.59200 |
| 32.700 |
0.64600 |
| 36.100 |
0.67600 |
| 45.200 |
0.74600 |
| 49.100 |
0.74700 |
| 47.500 |
0.76600 |
| 50.000 |
0.78300 |
| 50.200 |
0.78900 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Letcher T.M.; Naicker P.K.: Excess molar enthalpies and excess molar volumes of mixtures containing N-methyl-2-pyrrolidinone and an aromatic hydrocarbon at T = 298.15 K and p = 0.101325 MPa. J.Chem.Thermodyn. 31 (1999) 1585-1595 |
Enthalpy of Mixing Data Set 21630
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
| 2 |
C8H10 |
106.167 |
108-38-3 |
m-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 192.600 |
0.10000 |
| 301.200 |
0.20000 |
| 342.000 |
0.30000 |
| 331.600 |
0.40000 |
| 285.300 |
0.50000 |
| 217.800 |
0.60000 |
| 142.900 |
0.70000 |
| 73.600 |
0.80000 |
| 22.200 |
0.90000 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Chhikara Y.; Yadav J.S.; Sharma D.; Sharma V.K.: Excess Molar Volumes, Excess Molar Enthalpies, and Excess Isentropic Compressibilities of Binary Mixtures Containing N-Methyl-2-Pyrrolidone and Isomeric Xylenes at 308.15 K. J.Solution Chem. 41 (2012) 1696-1712 |
Diagrams
List of All References
| Source |
| Letcher T.M.; Naicker P.K.: Excess molar enthalpies and excess molar volumes of mixtures containing N-methyl-2-pyrrolidinone and an aromatic hydrocarbon at T = 298.15 K and p = 0.101325 MPa. J.Chem.Thermodyn. 31 (1999) 1585-1595 |
| Chhikara Y.; Yadav J.S.; Sharma D.; Sharma V.K.: Excess Molar Volumes, Excess Molar Enthalpies, and Excess Isentropic Compressibilities of Binary Mixtures Containing N-Methyl-2-Pyrrolidone and Isomeric Xylenes at 308.15 K. J.Solution Chem. 41 (2012) 1696-1712 |
Excess Enthalpy Data Overview
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