Formation of Sulfur Dioxide
S + O2 → SO2
概要
Sulfur burns in oxygen with a characteristic blue flame to produce sulfur dioxide, a pungent-smelling gas. This reaction is the first step in the industrial production of sulfuric acid. Sulfur dioxide is also a significant atmospheric pollutant.
参加者
| 役割 | 物質 | 係数 | 状態 |
|---|---|---|---|
| 反応物 | Sulfur S | 1 | (s) |
| 反応物 | Oxygen O | 1 | (g) |
| 生成物 | Sulfur Dioxide SO₂ | 1 | (g) |
日常の例
The smell of a struck match comes partly from sulfur dioxide produced as the match head burns.
産業上の重要性
この反応は硫酸製造（接触法）の第一工程である。SO₂排出は酸性雨の主要原因であり、脱硫技術（石灰石-石膏法など）の開発は現代の環境工学の重要課題である。
特性
- タイプ
- Synthesis
- 可逆的
- いいえ
- エネルギー
- 発熱性
- ΔH
- -296.8 kJ/mol
関連する反応
Frequently Asked Questions
What is the equation for Formation of Sulfur Dioxide?
The balanced equation is: S + O₂ → SO₂.
What type of reaction is Formation of Sulfur Dioxide?
Formation of Sulfur Dioxide is a synthesis reaction.
Is Formation of Sulfur Dioxide exothermic or endothermic?
Formation of Sulfur Dioxide is exothermic (releases energy). The enthalpy change (ΔH) is -296.8 kJ/mol.