Formation of Silicon Dioxide

Si + O2 → SiO2

概要

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.

参加者

役割 物質 係数 状態
反応物 Silicon Si 1 (s)
反応物 Oxygen O 1 (g)
生成物 Silicon Dioxide SiO₂ 1 (s)

日常の例

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

産業上の重要性

二酸化ケイ素はガラス製造、半導体製造（ゲート酸化膜）、光ファイバー、タイヤの充填剤（ホワイトカーボン）、食品添加物として不可欠である。

特性

タイプ
Synthesis
可逆的
いいえ
エネルギー
発熱性
ΔH
-910.7 kJ/mol

関連する反応

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.