Dortmund Data Bank
Excess Heat Capacity 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.
Excess Heat Capacity Data Set 754
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 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
Data Table
| Excess Heat Capacity [J/mol*K] |
x1 [mol/mol] |
| 1.4860 |
0.09940 |
| 2.9338 |
0.19600 |
| 4.7780 |
0.30090 |
| 6.5815 |
0.40020 |
| 8.7078 |
0.50150 |
| 10.0985 |
0.60080 |
| 10.8818 |
0.70040 |
| 10.4551 |
0.80030 |
| 7.5819 |
0.90020 |
(x - liquid mole fraction)
Reference
| Source |
| Vasilev V.A.; Novikov A.N.: Thermochemische und volumetrische Eigenschaften des Systems N-Methylpyrrolidon-Wasser bei 288-323 K. Izv.Vyssh.Uchebn.Zaved.Khim.Khim.Tekhnol. 32 (1989) 53-56 |
Excess Heat Capacity Data Set 755
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 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
Data Table
| Excess Heat Capacity [J/mol*K] |
x1 [mol/mol] |
| 0.2706 |
0.01000 |
| 0.6868 |
0.02900 |
| 0.9511 |
0.05000 |
| 1.8685 |
0.09950 |
| 3.7644 |
0.19630 |
| 5.9351 |
0.30170 |
| 8.0074 |
0.40030 |
| 10.2646 |
0.50040 |
| 11.9497 |
0.60000 |
| 12.5796 |
0.66720 |
| 12.6417 |
0.69990 |
| 12.1138 |
0.79850 |
| 8.6418 |
0.90010 |
| 5.3849 |
0.95000 |
| 1.3999 |
0.99000 |
(x - liquid mole fraction)
Reference
| Source |
| Vasilev V.A.; Novikov A.N.: Thermochemische und volumetrische Eigenschaften des Systems N-Methylpyrrolidon-Wasser bei 288-323 K. Izv.Vyssh.Uchebn.Zaved.Khim.Khim.Tekhnol. 32 (1989) 53-56 |
Excess Heat Capacity Data Set 756
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 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
Data Table
| Excess Heat Capacity [J/mol*K] |
x1 [mol/mol] |
| 1.7795 |
0.10070 |
| 4.2590 |
0.19650 |
| 6.4828 |
0.29980 |
| 9.4244 |
0.40040 |
| 11.6118 |
0.50130 |
| 13.2613 |
0.60020 |
| 14.1638 |
0.70030 |
| 13.3775 |
0.80040 |
| 9.6710 |
0.90020 |
(x - liquid mole fraction)
Reference
| Source |
| Vasilev V.A.; Novikov A.N.: Thermochemische und volumetrische Eigenschaften des Systems N-Methylpyrrolidon-Wasser bei 288-323 K. Izv.Vyssh.Uchebn.Zaved.Khim.Khim.Tekhnol. 32 (1989) 53-56 |
Diagrams
List of All References
| Source |
| Vasilev V.A.; Novikov A.N.: Thermochemische und volumetrische Eigenschaften des Systems N-Methylpyrrolidon-Wasser bei 288-323 K. Izv.Vyssh.Uchebn.Zaved.Khim.Khim.Tekhnol. 32 (1989) 53-56 |
Excess Heat Capacity Data Overview
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