Formation of Silicon Dioxide

Si + O2 → SiO2

Visão geral

Silicon reacts with oxygen to form silicon dioxide (silica), the main component of sand and quartz. This is one of the most abundant reactions on Earth's surface, as silicon dioxide makes up a large fraction of the Earth's crust.

Participantes

Papel Substância Coeficiente Estado
Reagente Silicon Si 1 (s)
Reagente Oxygen O 1 (g)
Produto Silicon Dioxide SiO₂ 1 (s)

Exemplo do cotidiano

Sand on beaches and the quartz in many decorative stones are composed of silicon dioxide formed by this type of reaction.

Importância industrial

O dióxido de silício é essencial para o fabrico de vidro, produção de semicondutores, revestimentos óticos e como agente antiaglomerante em alimentos e produtos farmacêuticos. A sílica ultrapura é crítica para fibras óticas.

Propriedades

Tipo
Synthesis
Reversível
Não
Energia
Exotérmico
ΔH
-910,7 kJ/mol

Reações relacionadas

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Formation of Sulfur Dioxide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Silicon Dioxide?
The balanced equation is: Si + O₂ → SiO₂.
What type of reaction is Formation of Silicon Dioxide?
Formation of Silicon Dioxide is a synthesis reaction.
Is Formation of Silicon Dioxide exothermic or endothermic?
Formation of Silicon Dioxide is exothermic (releases energy). The enthalpy change (ΔH) is -910.7 kJ/mol.