Formation of Copper(II) Sulfide

Cu + S → CuS

Descripción general

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

Rol Sustancia Coeficiente Estado
Reactivo Copper Cu 1 (s)
Reactivo Sulfur S 1 (s)

Ejemplo cotidiano

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

Importancia industrial

Los minerales de sulfuro de cobre son los principales minerales para la extracción de cobre. Comprender esta reacción es fundamental para los procesos de flotación y pirometalurgia del cobre.

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.