Aluminum Hydroxide and Hydrochloric Acid

Al(OH)3 + 3HCl → AlCl3 + 3H2O

Visão geral

Aluminum hydroxide, an amphoteric hydroxide, dissolves in hydrochloric acid to form aluminum chloride and water. This demonstrates the basic character of aluminum hydroxide. The same compound also dissolves in sodium hydroxide, showing its amphoteric nature.

Participantes

Papel Substância Coeficiente Estado
Reagente Aluminum Hydroxide Al(OH)₃ 1 (s)
Reagente Hydrochloric Acid HCl 3 (aq)
Produto Water H₂O 3 (l)

Exemplo do cotidiano

Aluminum hydroxide is used in antacid formulations (like Maalox) where it neutralizes stomach acid via this reaction.

Importância industrial

O hidróxido de alumínio é um importante produto químico industrial utilizado na purificação de água, antiácidos, retardadores de chama e como precursor do óxido de alumínio.

Propriedades

Tipo
Double Replacement
Reversível
Não
Energia
Exotérmico
ΔH
-170,0 kJ/mol

Reações relacionadas

Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Potassium Hydroxide and Sulfuric Acid Sodium Carbonate and Hydrochloric Acid Iron(III) Chloride and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Aluminum Hydroxide and Hydrochloric Acid?
The balanced equation is: Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O.
What type of reaction is Aluminum Hydroxide and Hydrochloric Acid?
Aluminum Hydroxide and Hydrochloric Acid is a double replacement reaction.
Is Aluminum Hydroxide and Hydrochloric Acid exothermic or endothermic?
Aluminum Hydroxide and Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -170.0 kJ/mol.