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 317
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H3N |
41.053 |
75-05-8 |
Acetonitrile |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
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] |
| 2.2000 |
0.02400 |
| 4.0000 |
0.04700 |
| 4.9000 |
0.08000 |
| 4.8000 |
0.10000 |
| 5.8000 |
0.15000 |
| 6.8000 |
0.20300 |
| 6.9000 |
0.25000 |
| 7.7000 |
0.28000 |
| 8.7000 |
0.36400 |
| 8.9000 |
0.39900 |
| 9.1000 |
0.42200 |
| 9.0200 |
0.50400 |
| 9.4000 |
0.60000 |
| 8.8000 |
0.67100 |
| 7.4000 |
0.75600 |
| 5.7000 |
0.82500 |
| 3.5000 |
0.89200 |
| 1.9000 |
0.94000 |
(x - liquid mole fraction)
Reference
| Source |
| de Visser C.; Heuvelsland W.J.M.; Dunn L.A.; Somsen G.: Apparent Molar Volumes and Heat Capacities at 298.15 K Over the Whole Mole Fractions Range. J.Chem.Soc.Faraday Trans.1 74 (1978) 1159-1169 |
Excess Heat Capacity Data Set 905
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H3N |
41.053 |
75-05-8 |
Acetonitrile |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
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] |
| 2.1500 |
0.02501 |
| 3.5100 |
0.05003 |
| 4.7100 |
0.10005 |
| 5.2500 |
0.15007 |
| 5.9100 |
0.20009 |
| 6.6100 |
0.25010 |
| 7.2300 |
0.30012 |
| 7.8300 |
0.35012 |
| 8.2800 |
0.40013 |
| 8.5400 |
0.45014 |
| 8.6800 |
0.50013 |
| 8.6200 |
0.55013 |
| 8.4000 |
0.60013 |
| 7.9300 |
0.65012 |
| 7.3600 |
0.70012 |
| 6.4900 |
0.75010 |
| 5.4300 |
0.80009 |
| 4.0900 |
0.85007 |
| 2.5700 |
0.90005 |
| 1.0500 |
0.95003 |
(x - liquid mole fraction)
Reference
| Source |
| Nakamura M.; Tamura K.; Murakami S.: Isotope effects on thermodynamic properties: mixtures of x(D2O or H2O) + (1 - x)CH3CN at 298.15 K. Thermochim.Acta 253 (1995) 127-136 |
Excess Heat Capacity Data Set 1705
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H3N |
41.053 |
75-05-8 |
Acetonitrile |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
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] |
| 0.5060 |
0.00525 |
| 1.3140 |
0.01469 |
| 2.0700 |
0.02453 |
| 2.7700 |
0.03575 |
| 3.3900 |
0.04911 |
| 3.7900 |
0.06082 |
| 4.0400 |
0.06989 |
| 4.2400 |
0.07980 |
| 4.4400 |
0.09115 |
| 4.5300 |
0.09912 |
| 4.9000 |
0.12634 |
| 4.9800 |
0.13875 |
| 5.1400 |
0.14771 |
| 5.3400 |
0.16914 |
| 5.7300 |
0.19772 |
| 5.9300 |
0.21566 |
| 6.0800 |
0.22811 |
| 6.3700 |
0.24766 |
| 6.6900 |
0.26947 |
| 7.0600 |
0.29883 |
| 7.0600 |
0.30496 |
| 7.6800 |
0.35594 |
| 8.0900 |
0.39527 |
| 8.0500 |
0.40014 |
| 8.2600 |
0.44592 |
| 8.3000 |
0.49022 |
| 8.3800 |
0.50267 |
| 8.1800 |
0.53832 |
| 8.2900 |
0.54995 |
| 7.5400 |
0.65972 |
| 7.1300 |
0.69507 |
| 6.0600 |
0.76022 |
| 5.1500 |
0.79874 |
| 3.6600 |
0.85309 |
| 2.8800 |
0.87694 |
| 2.2800 |
0.89705 |
| 1.7300 |
0.91631 |
| 0.9400 |
0.94523 |
| 0.3100 |
0.97196 |
(x - liquid mole fraction)
Reference
| Source |
| Benson G.C.; D´Arcy P. J.; Handa Y.P.: V. Isobaric Heat Capacities and Ultrasonic Speeds for Water + Ethanenitrile Mixtures at 25°C. Thermochim.Acta 46 (1981) 295-301 |
Diagrams
List of All References
| Source |
| de Visser C.; Heuvelsland W.J.M.; Dunn L.A.; Somsen G.: Apparent Molar Volumes and Heat Capacities at 298.15 K Over the Whole Mole Fractions Range. J.Chem.Soc.Faraday Trans.1 74 (1978) 1159-1169 |
| Nakamura M.; Tamura K.; Murakami S.: Isotope effects on thermodynamic properties: mixtures of x(D2O or H2O) + (1 - x)CH3CN at 298.15 K. Thermochim.Acta 253 (1995) 127-136 |
| Benson G.C.; D´Arcy P. J.; Handa Y.P.: V. Isobaric Heat Capacities and Ultrasonic Speeds for Water + Ethanenitrile Mixtures at 25°C. Thermochim.Acta 46 (1981) 295-301 |
Excess Heat Capacity Data Overview
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