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 804
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 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] |
| 482.900 |
0.05740 |
| 637.700 |
0.11350 |
| 682.900 |
0.15300 |
| 689.400 |
0.15810 |
| 717.100 |
0.19260 |
| 717.700 |
0.19700 |
| 736.000 |
0.22530 |
| 743.300 |
0.23940 |
| 744.400 |
0.25640 |
| 747.900 |
0.28600 |
| 745.800 |
0.28670 |
| 744.400 |
0.29140 |
| 747.500 |
0.31420 |
| 742.300 |
0.34370 |
| 742.300 |
0.34810 |
| 735.900 |
0.36450 |
| 721.600 |
0.39810 |
| 716.000 |
0.42910 |
| 684.400 |
0.47850 |
| 686.500 |
0.48660 |
| 674.200 |
0.50370 |
| 656.900 |
0.52820 |
| 650.600 |
0.53810 |
| 628.400 |
0.56310 |
| 629.400 |
0.56320 |
| 626.500 |
0.56360 |
| 613.100 |
0.58450 |
| 576.600 |
0.62650 |
| 531.700 |
0.66330 |
| 532.500 |
0.66770 |
| 431.400 |
0.74370 |
| 433.100 |
0.75080 |
| 354.200 |
0.81100 |
| 342.200 |
0.81880 |
| 263.600 |
0.86980 |
| 250.300 |
0.87550 |
| 221.400 |
0.89310 |
| 174.800 |
0.91820 |
| 162.400 |
0.92340 |
| 86.500 |
0.96280 |
| 79.800 |
0.96440 |
(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 805
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 433.100 |
0.04620 |
| 587.300 |
0.09910 |
| 671.900 |
0.16010 |
| 710.600 |
0.22280 |
| 723.500 |
0.27970 |
| 714.200 |
0.36710 |
| 665.800 |
0.48260 |
| 574.700 |
0.60690 |
| 508.000 |
0.67560 |
| 465.800 |
0.71860 |
| 430.600 |
0.74340 |
| 414.300 |
0.76050 |
| 356.700 |
0.80300 |
| 286.500 |
0.84980 |
| 213.700 |
0.89380 |
| 126.100 |
0.94130 |
| 46.400 |
0.97960 |
(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 7177
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C8H10 |
106.167 |
106-42-3 |
p-Xylene |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 520.500 |
0.08640 |
| 617.400 |
0.12460 |
| 689.600 |
0.18260 |
| 715.000 |
0.25700 |
| 720.800 |
0.28580 |
| 715.000 |
0.32610 |
| 709.400 |
0.34810 |
| 705.300 |
0.39420 |
| 680.500 |
0.43840 |
| 615.700 |
0.56320 |
| 526.800 |
0.65810 |
| 465.900 |
0.70660 |
| 376.100 |
0.78140 |
| 227.200 |
0.88260 |
| 139.500 |
0.93200 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Letcher T.M.; Prasad A.K.; Schoonbaert F.E.Z.; Mercer-Chalmers J.: Excess enthalpies of (a xylene + an alkanol) at 298.2 K. J.Chem.Thermodyn. 22 (1990) 765-770 |
Diagrams
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 |
| Nagata I.; Ogasawara Y.: Prediction of Ternary Excess Enthalpies from Binary Data.. Thermochim.Acta 52 (1982) 155-168 |
| Letcher T.M.; Prasad A.K.; Schoonbaert F.E.Z.; Mercer-Chalmers J.: Excess enthalpies of (a xylene + an alkanol) at 298.2 K. J.Chem.Thermodyn. 22 (1990) 765-770 |
Excess Enthalpy Data Overview
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