Formation of Hydrogen Sulfide

H2 + S → H2S

Visão geral

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.

Participantes

Papel Substância Coeficiente Estado
Reagente Hydrogen H 1 (g)
Reagente Sulfur S 1 (s)
Produto Hydrogen Sulfide H₂S 1 (g)

Exemplo do cotidiano

The rotten egg smell near hot springs and volcanic areas comes from hydrogen sulfide produced by similar reactions underground.

Importância industrial

O sulfureto de hidrogénio é um produto químico industrial importante utilizado na produção de enxofre elementar, ácido sulfúrico e compostos de enxofre. É gerado como subproduto no processamento de gás natural e petróleo.

Propriedades

Tipo
Synthesis
Reversível
Sim
Energia
Exotérmico
ΔH
-20,6 kJ/mol

Reações relacionadas

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 Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

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.