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 1193

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C8H10 106.167 106-42-3 p-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.150 K
Pressure 1.700 bar

Data Table

hE [J/mol] x1 [mol/mol]
649.100 0.09870
734.400 0.14430
747.000 0.14620
751.300 0.14680
784.000 0.18750
792.100 0.19400
816.100 0.22210
818.700 0.22380
813.400 0.22870
833.700 0.25750
828.700 0.26790
834.800 0.29050
833.300 0.30530
831.400 0.31430
831.400 0.33040
833.600 0.33130
828.800 0.34100
832.900 0.34630
828.700 0.36490
818.400 0.37510
804.300 0.40770
812.700 0.40950
802.800 0.41760
742.700 0.48830
625.800 0.60040
513.400 0.68440
466.600 0.72450
403.600 0.76340
346.500 0.79840
290.600 0.83330
185.800 0.89080

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

Reference

Source
Christensen J.J.; Rossiter B.E.; O'Neill T.K.; Hanks R.W.: The Excess Enthalpies of Six p-Xylene + Alcohol Mixtures at 298.15 K. J.Chem.Thermodyn. 10 (1978) 829-833


Enthalpy of Mixing Data Set 1194

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C8H10 106.167 106-42-3 p-Xylene
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]
156.600 0.01120
433.100 0.04340
511.300 0.06030
724.900 0.14660
803.400 0.23250
814.100 0.34910
753.600 0.46510
684.500 0.54400
577.400 0.63800
563.300 0.65090
484.500 0.70890
401.800 0.76410
314.900 0.81840
224.400 0.87240
139.100 0.92160
51.100 0.97120

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

Reference

Source
Nagata I.; Ogasawara Y.: Prediction of Ternary Excess Enthalpies from Binary Data.. Thermochim.Acta 52 (1982) 155-168


Enthalpy of Mixing Data Set 1195

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C8H10 106.167 106-42-3 p-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 286.450 K

Data Table

hE [J/mol] x1 [mol/mol]
24.054 0.00160
47.807 0.00310
70.585 0.00470
92.342 0.00620
113.027 0.00770
159.945 0.01140
200.329 0.01500
234.471 0.01850
263.631 0.02190
288.437 0.02520
309.977 0.02830
328.998 0.03140
343.068 0.03380
398.626 0.04510
450.686 0.05940
521.522 0.08650
568.392 0.11220
601.852 0.13640
625.882 0.15940
643.304 0.18140
656.227 0.20180
664.854 0.22160
669.272 0.23530

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

Reference

Source
Stokes R.H.; Adamson M.: Thermodynamics of Dilute Solutions of Ethanol (1) in p-Xylene (2) from Freezing-point and Enthalpy of Dilution Measurements. J.Chem.Soc.Faraday Trans.1 71 (1975) 1707-1714

Diagrams

Excess Enthalpies of Ethanol+p-Xylene
See larger image

List of All References

Source
Christensen J.J.; Rossiter B.E.; O'Neill T.K.; Hanks R.W.: The Excess Enthalpies of Six p-Xylene + Alcohol Mixtures at 298.15 K. J.Chem.Thermodyn. 10 (1978) 829-833
Stokes R.H.; Adamson M.: Thermodynamics of Dilute Solutions of Ethanol (1) in p-Xylene (2) from Freezing-point and Enthalpy of Dilution Measurements. J.Chem.Soc.Faraday Trans.1 71 (1975) 1707-1714
Nagata I.; Ogasawara Y.: Prediction of Ternary Excess Enthalpies from Binary Data.. Thermochim.Acta 52 (1982) 155-168

Excess Enthalpy Data Overview


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