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 1433

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 C2H3N 41.053 75-05-8 Acetonitrile
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 278.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
0.7937 0.06379
1.4346 0.10400
2.3570 0.15202
3.0300 0.19938
3.0706 0.20203
4.0944 0.28121
4.7446 0.35724
4.9565 0.39301
5.1623 0.44584
5.1071 0.54799
4.8620 0.60176
4.1992 0.69930
3.7592 0.74534
3.1160 0.80028
2.4424 0.84982
1.7149 0.90010
0.8960 0.94800

(x - liquid mole fraction)

Reference

Source
Piekarski H.; Somsen G.: Heat Capacities and Volumes of Methanol + Acetonitrile Mixtures at 5 and 25°C. J.Solution Chem. 21 (1992) 557-567


Excess Heat Capacity Data Set 1434

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
2 C2H3N 41.053 75-05-8 Acetonitrile
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
0.3806 0.05280
1.0055 0.09791
1.9467 0.15390
2.9325 0.22040
3.8775 0.29390
3.9647 0.30040
4.5621 0.36001
4.9599 0.45410
4.9278 0.49529
4.9937 0.50311
4.9442 0.57691
4.8666 0.60279
4.5434 0.65971
3.9888 0.72770
3.2674 0.79891
3.0861 0.80731
2.5433 0.84830
2.0254 0.88211
1.8121 0.89671
1.7334 0.90170
0.9952 0.94510

(x - liquid mole fraction)

Reference

Source
Piekarski H.; Somsen G.: Heat Capacities and Volumes of Methanol + Acetonitrile Mixtures at 5 and 25°C. J.Solution Chem. 21 (1992) 557-567

Diagrams

Excess Heat Capacity of Acetonitrile+Methanol
See larger image

List of All References

Source
Piekarski H.; Somsen G.: Heat Capacities and Volumes of Methanol + Acetonitrile Mixtures at 5 and 25°C. J.Solution Chem. 21 (1992) 557-567

Excess Heat Capacity Data Overview


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