introduction
prénom: titanium(IV) oxide
* IUPAC
Numero CAS: 13463-67-7
Masse molaire: 79.8658 g
Pourcentage de masse: Ti 59.934 %; O 40.065 %
Classification
Usages / Fonction
• "42nd most produced chemical in the United States in 1995 - 1.24 megatonnes." 1
Bonding
Ionic Character: 57.58 %
Thermochimie
ΔHf° (s rutile): -225.8 kcal/mol 2 = -944.75 kJ/mol
S° (s rutile): 12.03 cal/(mol•K) 3 = 50.33 J/(mol•K)
ΔGf° (s rutile): -212.6 kcal/mol 4 = -889.52 kJ/mol
Réactions
TiCl4 (g) + 1 O2 (g) → TiO2 (s rutile) + 2 Cl2 (g) 5
3 TiO2 (s rutile) + 4 BrF3 (ℓ) → 3 TiF4 (s) + 2 Br2 (ℓ) + 3 O2 (g) 6
2 TiO2 (s rutile) + 3 C (s graphite) + 4 Cl2 (g) → 2 TiCl4 (g) + CO2 (g) + 2 CO (g) 7
Pour plus d'informations
Sources
(1) - Chem. Eng. News, 1995, 73 (26), p 39
(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.
(5) - Swaddle, T.W. Inorganic Chemistry; Academic Press: San Diego, 1997; p 383.
(6) - Kotz, John C. and Treichel, Paul. Chemistry & Chemical Reactivity 4th ed.; Thomson Brooks/Cole: Belmont, CA, 1999; p 166.
(7) - Ebbing, Darrell D. General Chemistry 3rd ed.; Houghton Mifflin Company: Boston, MA, 1990; p 136.