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 3072

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H14 86.177 110-54-3 Hexane
2 C6H12 84.161 110-82-7 Cyclohexane
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.030 K

Data Table

hE [J/mol] x1 [mol/mol]
193.100 0.25310
210.800 0.31640
222.200 0.41910
217.400 0.49700
214.500 0.52240
198.900 0.59000
186.200 0.63860
170.900 0.68680
136.000 0.76290

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Ahmed A.: Enthalpy of Mixing of n-Hexane and Cyclohexane. J.Chem.Soc.Faraday Trans.1 69 (1973) 387-389


Enthalpy of Mixing Data Set 3073

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H14 86.177 110-54-3 Hexane
2 C6H12 84.161 110-82-7 Cyclohexane
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
55.200 0.09000
158.100 0.23000
187.900 0.30000
208.200 0.39000
217.800 0.46000
219.100 0.50000
188.200 0.67000
133.800 0.79000

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Alessi P.; Kikic I.; Longo V.: The Heats of Mixing of Paraffin-Cycloparaffin Systems. Ist.Chim.Appl./Fac.Ing.,Univ.Studi Trieste 49 (1974) 1-10


Enthalpy of Mixing Data Set 3074

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H14 86.177 110-54-3 Hexane
2 C6H12 84.161 110-82-7 Cyclohexane
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
61.000 0.05720
81.000 0.07700
108.000 0.10910
134.000 0.14300
168.000 0.19850
186.000 0.23890
193.000 0.25460
199.000 0.27260
206.000 0.29920
208.000 0.30560
214.000 0.33550
215.000 0.34190
215.000 0.34220
218.000 0.35890
217.000 0.36120
218.000 0.37470
219.000 0.37770
220.000 0.37850
220.000 0.38340
219.000 0.38600
220.000 0.38730
220.000 0.39860
221.000 0.40060
221.000 0.40930
221.000 0.40990
221.000 0.41050
221.000 0.41630
221.000 0.42630
221.000 0.42970
221.000 0.43130
221.000 0.43650
221.000 0.44090
221.000 0.44800
221.000 0.44860
220.000 0.45380
220.000 0.46600
220.000 0.46830
219.000 0.47070
218.000 0.48430
218.000 0.49110
217.000 0.49690
216.000 0.49880
215.000 0.50910
214.000 0.51900
213.000 0.52080
211.000 0.53380
211.000 0.53490
209.000 0.54380
207.000 0.55610
205.000 0.56290
202.000 0.57770
197.000 0.59440
197.000 0.59860
189.000 0.62360
188.000 0.62850
182.000 0.64800
178.000 0.66110
168.000 0.68840
162.000 0.70200
161.000 0.70600
141.000 0.75300
137.000 0.76080
130.000 0.77630
118.000 0.80140
95.000 0.84530
92.000 0.84920
87.000 0.85990
48.000 0.92650
42.000 0.93580
37.000 0.94350

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Arenosa R.L.; Menduina C.; Tardajos G.; Diaz Pena M.: Excess Enthalpies at 298.15 K of Binary Mixtures of Cyclohexane with n-Alkanes. J.Chem.Thermodyn. 11 (1979) 159-166

Diagrams

Excess Enthalpies of Cyclohexane+Hexane
See larger image

List of All References

Source
Ahmed A.: Enthalpy of Mixing of n-Hexane and Cyclohexane. J.Chem.Soc.Faraday Trans.1 69 (1973) 387-389
Alessi P.; Kikic I.; Longo V.: The Heats of Mixing of Paraffin-Cycloparaffin Systems. Ist.Chim.Appl./Fac.Ing.,Univ.Studi Trieste 49 (1974) 1-10
Arenosa R.L.; Menduina C.; Tardajos G.; Diaz Pena M.: Excess Enthalpies at 298.15 K of Binary Mixtures of Cyclohexane with n-Alkanes. J.Chem.Thermodyn. 11 (1979) 159-166

Excess Enthalpy Data Overview


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