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 8897
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4 |
16.043 |
74-82-8 |
Methane |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
373.200 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 51.500 |
0.46500 |
| 52.300 |
0.48600 |
| 52.500 |
0.50200 |
| 52.800 |
0.50900 |
| 51.700 |
0.51500 |
| 52.600 |
0.53300 |
| 52.100 |
0.56200 |
| 50.300 |
0.56700 |
| 51.900 |
0.58000 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Smith G.; Sellars A.; Yerlett T.K.; Wormald C.J.: The Excess Enthalpy of (Water + Hydrogen) Vapour and (Water + Methane) Vapour. J.Chem.Thermodyn. 15 (1983) 29-35 |
Enthalpy of Mixing Data Set 8898
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4 |
16.043 |
74-82-8 |
Methane |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
383.200 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 39.700 |
0.30400 |
| 44.500 |
0.39200 |
| 46.800 |
0.42900 |
| 46.900 |
0.47500 |
| 48.000 |
0.50600 |
| 47.000 |
0.52100 |
| 47.200 |
0.54200 |
| 45.200 |
0.59300 |
| 43.400 |
0.62700 |
| 42.900 |
0.65000 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Smith G.; Sellars A.; Yerlett T.K.; Wormald C.J.: The Excess Enthalpy of (Water + Hydrogen) Vapour and (Water + Methane) Vapour. J.Chem.Thermodyn. 15 (1983) 29-35 |
Enthalpy of Mixing Data Set 8899
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4 |
16.043 |
74-82-8 |
Methane |
| 2 |
H2O |
18.015 |
7732-18-5 |
Water |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
393.200 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 35.500 |
0.32900 |
| 35.600 |
0.33000 |
| 37.600 |
0.36900 |
| 34.600 |
0.37200 |
| 42.700 |
0.39300 |
| 36.000 |
0.40800 |
| 41.700 |
0.44800 |
| 40.700 |
0.45200 |
| 39.600 |
0.47200 |
| 41.300 |
0.47300 |
| 40.900 |
0.48100 |
| 38.300 |
0.50900 |
| 37.800 |
0.52500 |
| 42.900 |
0.52900 |
| 40.500 |
0.53300 |
| 40.300 |
0.53400 |
| 39.700 |
0.55600 |
| 39.300 |
0.58100 |
| 39.200 |
0.60500 |
| 37.400 |
0.62700 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Smith G.; Sellars A.; Yerlett T.K.; Wormald C.J.: The Excess Enthalpy of (Water + Hydrogen) Vapour and (Water + Methane) Vapour. J.Chem.Thermodyn. 15 (1983) 29-35 |
Diagrams
List of All References
| Source |
| Smith G.; Sellars A.; Yerlett T.K.; Wormald C.J.: The Excess Enthalpy of (Water + Hydrogen) Vapour and (Water + Methane) Vapour. J.Chem.Thermodyn. 15 (1983) 29-35 |
Excess Enthalpy Data Overview
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