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 3951

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C6H12 84.161 110-82-7 Cyclohexane
3 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] x2 [mol/mol]
553.900 0.00480 0.74710
709.600 0.02480 0.73210
806.800 0.05930 0.70620
876.300 0.10580 0.67130
909.800 0.14490 0.64190
929.300 0.18350 0.61300
939.900 0.23650 0.57320
935.800 0.29240 0.53120
910.400 0.36070 0.47990
855.200 0.44900 0.41370
791.100 0.52490 0.35690
783.400 0.53020 0.35270
714.200 0.59630 0.30310
710.500 0.59840 0.30150
659.400 0.64140 0.26920
618.100 0.66490 0.25160
605.000 0.68250 0.23830
556.200 0.71650 0.21280
503.800 0.75080 0.18710
449.800 0.78410 0.16210
591.700 0.00350 0.49830
732.600 0.01270 0.49370
932.700 0.05130 0.47450
1035.900 0.11030 0.44490
1068.900 0.15800 0.42110
1079.000 0.22990 0.38510
1062.200 0.29420 0.35300
1036.600 0.33990 0.33010
962.300 0.42980 0.28520
883.600 0.50240 0.24890
773.900 0.58730 0.20640
678.000 0.65210 0.17400
670.900 0.65650 0.17180
576.900 0.71500 0.14250
517.700 0.74900 0.12550
446.300 0.78810 0.10590
405.900 0.79390 0.10310
386.100 0.81980 0.09010
331.700 0.83540 0.08230
278.100 0.86420 0.06790
240.700 0.88370 0.05820
589.100 0.01730 0.24600
766.400 0.04480 0.23910
902.700 0.09450 0.22670
968.100 0.15330 0.21200
999.300 0.21730 0.19600
999.300 0.27030 0.18920
981.500 0.32780 0.16830
954.500 0.37500 0.15640
898.000 0.44460 0.13900
829.300 0.51000 0.12270
763.800 0.56440 0.10900
672.600 0.63000 0.09260
578.200 0.69090 0.07740
502.700 0.73630 0.06600
428.700 0.77890 0.05530
348.100 0.82330 0.04420
291.500 0.85350 0.03660
252.500 0.87370 0.03160

(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 6591

Components

No. Formula Molar Mass CAS Registry Number Name
1 C2H6O 46.069 64-17-5 Ethanol
2 C6H12 84.161 110-82-7 Cyclohexane
3 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] x2 [mol/mol]
9.030 0.00042 0.89962
20.005 0.000927 0.89917
40.924 0.00190 0.89829
61.678 0.00290 0.89739
79.024 0.00379 0.89659
92.174 0.00453 0.89592
100.842 0.00505 0.89546
124.729 0.00664 0.89402
141.372 0.00793 0.89286
147.385 0.00846 0.89239
171.033 0.01082 0.89026
188.517 0.01302 0.88828
203.151 0.01510 0.88641
215.228 0.01667 0.88500
216.683 0.01728 0.88445
284.544 0.03170 0.87147
331.206 0.04637 0.85827
368.022 0.06095 0.84514
401.591 0.07686 0.83083
432.674 0.09401 0.81539
8.533 0.000423 0.74968
17.409 0.000863 0.74935
25.788 0.001284 0.74904
32.778 0.001654 0.74876
41.057 0.00208 0.74844
47.779 0.00243 0.74818
56.091 0.00287 0.74785
62.490 0.00321 0.74759
77.051 0.00400 0.74700
89.537 0.00471 0.74647
102.382 0.00547 0.74590
113.442 0.00616 0.74538
123.952 0.00685 0.74486
134.428 0.00758 0.74431
143.856 0.00827 0.74380
160.019 0.00956 0.74283
174.084 0.01081 0.74189
179.022 0.01126 0.74155
191.429 0.01205 0.74096
198.027 0.01322 0.74009
264.457 0.02276 0.73293
319.254 0.03478 0.72391
352.385 0.04443 0.71668
386.526 0.05659 0.70756
414.602 0.06836 0.69873
429.653 0.07544 0.69342
21.663 0.00118 0.49941
40.181 0.00222 0.49889
55.208 0.00308 0.49846
72.722 0.00410 0.49795
89.578 0.00511 0.49744
103.614 0.00597 0.49701
118.374 0.00691 0.49654
132.414 0.00786 0.49607
144.786 0.00872 0.49564
148.730 0.00908 0.49546
171.956 0.01077 0.49461
190.058 0.01224 0.49388
192.628 0.01248 0.49376
209.102 0.01397 0.49301
224.966 0.01546 0.49227
231.132 0.01618 0.49191
247.183 0.01794 0.49103
341.963 0.03182 0.48409
405.355 0.04630 0.47685
445.176 0.05829 0.47085
465.835 0.06569 0.46716
479.158 0.07312 0.46344
505.342 0.08482 0.45759
532.067 0.09872 0.45064
26.705 0.00163 0.24959
35.957 0.00220 0.24945
43.081 0.00265 0.24934
54.544 0.00337 0.24916
63.220 0.00393 0.24902
74.378 0.00465 0.24884
91.543 0.00578 0.24856
106.265 0.00675 0.24831
119.186 0.00765 0.24809
133.038 0.00863 0.24784
139.524 0.00909 0.24773
167.111 0.01114 0.24722
173.028 0.01164 0.24709
190.428 0.01301 0.24675
297.862 0.02350 0.24412
370.722 0.03466 0.24134
431.673 0.04648 0.23838
475.352 0.05737 0.23566
540.003 0.07810 0.23047
564.422 0.08790 0.22803
585.108 0.09700 0.22575

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

Reference

Source
French H.T.; Stokes R.H.: Thermodynamics of Ethanol at Low Concentrations in Mixtures of Cyclohexane and 1,4-Dimethylbenzene. J.Chem.Soc.Faraday Trans.1 81 (1985) 1459-1465

List of All References

Source
French H.T.; Stokes R.H.: Thermodynamics of Ethanol at Low Concentrations in Mixtures of Cyclohexane and 1,4-Dimethylbenzene. J.Chem.Soc.Faraday Trans.1 81 (1985) 1459-1465
Nagata I.; Ogasawara Y.: Prediction of Ternary Excess Enthalpies from Binary Data.. Thermochim.Acta 52 (1982) 155-168

Excess Enthalpy Data Overview


© DDBST GmbH