Formation of Copper(II) Sulfide

Cu + S → CuS

Visão geral

Copper reacts with sulfur when heated to form copper(II) sulfide, a black compound. This reaction occurs when copper is heated in the presence of sulfur vapor. Copper sulfide minerals like covellite are important copper ores.

Participantes

Papel Substância Coeficiente Estado
Reagente Copper Cu 1 (s)
Reagente Sulfur S 1 (s)

Exemplo do cotidiano

The dark tarnish that forms on copper items in sulfur-rich environments (like near hot springs) involves a similar reaction.

Importância industrial

Os minerais de sulfureto de cobre são os principais minérios para a extração de cobre. A compreensão da formação de sulfureto de cobre é fundamental para a hidrometalurgia e a pirometalurgia do cobre.

Propriedades

Tipo
Synthesis
Reversível
Não
Energia
Exotérmico
ΔH
-53,1 kJ/mol

Reações relacionadas

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Frequently Asked Questions

What is the equation for Formation of Copper(II) Sulfide?
The balanced equation is: Cu + S → CuS.
What type of reaction is Formation of Copper(II) Sulfide?
Formation of Copper(II) Sulfide is a synthesis reaction.
Is Formation of Copper(II) Sulfide exothermic or endothermic?
Formation of Copper(II) Sulfide is exothermic (releases energy). The enthalpy change (ΔH) is -53.1 kJ/mol.