Formation of Zinc Sulfide

Zn + S → ZnS

Visão geral

Zinc and sulfur react when ignited to form zinc sulfide with a bright flash. Zinc sulfide is a luminescent material that glows when exposed to UV light. The mineral form, sphalerite, is the most important ore of zinc worldwide.

Participantes

Papel Substância Coeficiente Estado
Reagente Zinc Zn 1 (s)
Reagente Sulfur S 1 (s)

Exemplo do cotidiano

Glow-in-the-dark paint and watch dials historically contained zinc sulfide as the phosphorescent material.

Importância industrial

O sulfureto de zinco é utilizado em revestimentos fosforescentes, ecrãs de raios-X e televisão, e como pigmento branco. A esfalerite (ZnS) é o principal minério de zinco, processada em mais de 12 milhões de toneladas por ano.

Propriedades

Tipo
Synthesis
Reversível
Não
Energia
Exotérmico
ΔH
-205,0 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 Zinc Sulfide?
The balanced equation is: Zn + S → ZnS.
What type of reaction is Formation of Zinc Sulfide?
Formation of Zinc Sulfide is a synthesis reaction.
Is Formation of Zinc Sulfide exothermic or endothermic?
Formation of Zinc Sulfide is exothermic (releases energy). The enthalpy change (ΔH) is -205.0 kJ/mol.