Formation of Hydrogen Sulfide
H2 + S → H2S
Tổng quan
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.
Người tham gia
| Vai trò | Chất | Hệ số | Trạng thái |
|---|---|---|---|
| Chất phản ứng | Hydrogen H | 1 | (g) |
| Chất phản ứng | Sulfur S | 1 | (s) |
| Sản phẩm | Hydrogen Sulfide H₂S | 1 | (g) |
Ví dụ thực tế
The rotten egg smell near hot springs and volcanic areas comes from hydrogen sulfide produced by similar reactions underground.
Tầm quan trọng công nghiệp
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.
Tính chất
- Loại
- Synthesis
- Thuận nghịch
- Có
- Năng lượng
- Tỏa nhiệt
- ΔH
- -20,6 kJ/mol
Phản ứng liên quan
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.