BARIUM OXIDE - (1304-28-5)

Introduction

Name: barium oxide
* IUPAC
CAS Number: 1304-28-5
Chemical Formula: BaO
Molar Mass: 153.3264 g
Mass Percent: Ba 89.565 %; O 10.434 % 

Classification

• inorganic

Bonding

Bonding: ionic
Ionic Character: 77.27 %

Thermochemistry

ΔHf° (s): -131.0 kcal/mol 1 = -548.10 kJ/mol
ΔHf° (ℓ): -117.50 kcal/mol 1 = -491.62 kJ/mol
ΔHf° (g): -29.60 kcal/mol 1 = -123.85 kJ/mol
S° (s): 17.23 cal/(mol•K) 2 = 72.09 J/(mol•K)
S° (ℓ): 23.08 cal/(mol•K) 2 = 96.57 J/(mol•K)
S° (g): 56.25 cal/(mol•K) 2 = 235.35 J/(mol•K)
ΔGf° (s): -124.38 kcal/mol 3 = -520.41 kJ/mol
ΔGf° (ℓ): -112.63 kcal/mol 3 = -471.24 kJ/mol
ΔGf° (g): -34.61 kcal/mol 3 = -144.81 kJ/mol

For More Information

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.