LANTHANUM OXIDE - (1312-81-8) - Propiedades físicas • Propiedades químicas • Solubilidad • Usos / Función • reacciones • termoquímica

Introducción

Nombre: lanthanum oxide
* IUPAC
Número CAS: 1312-81-8
Fórmula química: La₂O₃
Masa molar: 325.8092 g
Porcentaje de masas: La 85.268 %; O 14.731 %

Clasificación

• inorgánico

Usos / Función

• "Basic oxides such as La₂O₃ and mixtures like Li₂O (5% by weight) - MgO have important potential as catalysts in the oxidative coupling of methane." 1

Vinculación

Vinculación: ionic
Ionic Character: 70.91 %

termoquímica

ΔHf° (s): -428.7 kcal/mol 2 = -1,793.68 kJ/mol

S° (s): 30.43 cal/(mol•K) 3 = 127.32 J/(mol•K)

ΔGf° (s): -407.7 kcal/mol 4 = -1,705.82 kJ/mol

Para más información

Wikipedia

Fuentes

(1) - (a) Swaddle, T.W. Inorganic Chemistry; Academic Press: San Diego, 1997; p 123. (b) Lunsford, J.H. Angew. Chem. Int. Ed. Engl. 34, 970-980 (1995).
(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.
(4) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.