Formation of Copper(II) Sulfide

Cu + S → CuS

概述

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.

参与者

角色 物质 系数 状态
反应物 Copper Cu 1 (s)
反应物 Sulfur S 1 (s)

日常示例

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

工业重要性

硫化铜是铜的主要矿物形式,黄铜矿(CuFeS₂)是全球最重要的铜矿石。硫化铜薄膜也被研究用于太阳能电池吸收层材料。

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.