Formation of Copper(II) Sulfide

Cu + S → CuS

개요

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.

참여 물질

역할 물질 계수 상태
반응물 Copper Cu 1 (s)
반응물 Sulfur S 1 (s)

일상 속 예시

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

산업적 중요성

황화구리는 태양전지, 광촉매, 리튬이온 전지 양극재 연구에 활용됩니다. 구리 광물(황동석 등)의 주요 성분으로 구리 제련의 원료입니다.

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.