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 313

Components

No. Formula Molar Mass CAS Registry Number Name
1 H2O 18.015 7732-18-5 Water
2 C4H10O 74.123 71-36-3 1-Butanol
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Miscibility gap: Yes

Constant Value

Temperature 298.15 K

Data Table

Excess Heat Capacity [J/mol*K] x1 [mol/mol]
5.2930 0.09997
8.4340 0.19995
10.6650 0.29993
12.0360 0.39992
3.8390 0.98500
2.6180 0.99000
1.9710 0.99250
1.3180 0.99500

(x - liquid mole fraction)

Reference

Source
Ogawa H.; Murakami S.: Excess Isobaric Heat Capacities for Water + Alkanol Mixtures at 298.15 K. Thermochim.Acta 109 (1986) 145-154

Diagrams

Excess Heat Capacity of 1-Butanol+Water
See larger image

List of All References

Source
Ogawa H.; Murakami S.: Excess Isobaric Heat Capacities for Water + Alkanol Mixtures at 298.15 K. Thermochim.Acta 109 (1986) 145-154

Excess Heat Capacity Data Overview


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