Formation of Sulfur Dioxide
S + O2 → SO2
Visão geral
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.
Participantes
| Papel | Substância | Coeficiente | Estado |
|---|---|---|---|
| Reagente | Sulfur S | 1 | (s) |
| Reagente | Oxygen O | 1 | (g) |
| Produto | Sulfur Dioxide SO₂ | 1 | (g) |
Exemplo do cotidiano
The smell of a struck match comes partly from sulfur dioxide produced as the match head burns.
Importância industrial
Esta reação é a primeira etapa do processo de contacto para o fabrico de ácido sulfúrico. A gestão das emissões de SO₂ das centrais termoeléctricas a carvão e das fundições é crítica para a prevenção das chuvas ácidas.
Propriedades
- Tipo
- Synthesis
- Reversível
- Não
- Energia
- Exotérmico
- ΔH
- -296,8 kJ/mol
Reações relacionadas
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.