Formation of Hydrogen Sulfide
H2 + S → H2S
Aperçu
Hydrogen gas reacts with sulfur to form hydrogen sulfide, the gas responsible for the characteristic smell of rotten eggs. This mildly exothermic reaction occurs at elevated temperatures. Hydrogen sulfide is highly toxic even at low concentrations.
Participants
| Rôle | Substance | Coefficient | État |
|---|---|---|---|
| Réactif | Hydrogen H | 1 | (g) |
| Réactif | Sulfur S | 1 | (s) |
| Produit | Hydrogen Sulfide H₂S | 1 | (g) |
Exemple du quotidien
The rotten egg smell near hot springs and volcanic areas comes from hydrogen sulfide produced by similar reactions underground.
Importance industrielle
Hydrogen sulfide is an important industrial chemical used in the production of sulfur and sulfuric acid. It is also a serious workplace hazard in petroleum refining and mining.
Propriétés
- Type
- Synthesis
- Réversible
- Oui
- Énergie
- Exothermique
- ΔH
- -20,6 kJ/mol
Réactions associées
Frequently Asked Questions
What is the equation for Formation of Hydrogen Sulfide?
The balanced equation is: H₂ + S → H₂S.
What type of reaction is Formation of Hydrogen Sulfide?
Formation of Hydrogen Sulfide is a synthesis reaction. It is reversible under certain conditions.
Is Formation of Hydrogen Sulfide exothermic or endothermic?
Formation of Hydrogen Sulfide is exothermic (releases energy). The enthalpy change (ΔH) is -20.6 kJ/mol.