Chemical data page
This page provides supplementary chemical data on barium oxide.
Material Safety Data Sheet
Structure and properties
Thermodynamic properties
| Phase behavior
|
| Triple point
|
? K (? °C), ? Pa
|
| Critical point
|
? K (? °C), ? Pa
|
Std enthalpy change
of fusion, ΔfusHo
|
? kJ/mol
|
Std entropy change
of fusion, ΔfusSo
|
? J/(mol·K)
|
Std enthalpy change
of vaporization, ΔvapHo
|
? kJ/mol
|
Std entropy change
of vaporization, ΔvapSo
|
? J/(mol·K)
|
| Solid properties
|
Std enthalpy change
of formation, ΔfHosolid
|
−548.10 kJ/mol
|
Standard molar entropy,
Sosolid
|
72.05 J/(mol K)
|
| Heat capacity, cp
|
47.3 J/(mol K)
|
| Liquid properties
|
Std enthalpy change
of formation, ΔfHoliquid
|
−491.63 kJ/mol
|
Standard molar entropy,
Soliquid
|
96.54 J/(mol K)
|
| Heat capacity, cp
|
? J/(mol K)
|
| Gas properties
|
Std enthalpy change
of formation, ΔfHogas
|
−123.85 kJ/mol
|
Standard molar entropy,
Sogas
|
235.45 J/(mol K)
|
| Heat capacity, cp
|
? J/(mol K)
|
Spectral data
References
- Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)
