Formation of Copper(II) Sulfide

Cu + S → CuS

概要

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.

参加者

役割 物質 係数 状態
反応物 Copper Cu 1 (s)
反応物 Sulfur S 1 (s)

日常の例

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

産業上の重要性

硫化銅鉱物は銅抽出の主要鉱石である。この反応の理解は銅製錬と水銀、鉛、ニッケルなど他の硫化物鉱石の処理工程の基礎となる。

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.