Decomposition of Zinc Carbonate

ZnCO3 → ZnO + CO2

概要

Zinc carbonate decomposes when heated to form zinc oxide and carbon dioxide gas. Zinc carbonate (smithsonite) is an important zinc ore. The resulting zinc oxide is a versatile compound used in rubber manufacturing, ceramics, and medicine.

参加者

役割 物質 係数 状態
生成物 Carbon Dioxide CO₂ 1 (g)

日常の例

Calamine lotion, used to soothe itchy skin and insect bites, contains zinc oxide produced from zinc carbonate ore processing.

産業上の重要性

この分解反応は、ゴムの加硫、陶磁器のグレージング、化粧品向け酸化亜鉛製造の重要な工程である。

特性

タイプ
Decomposition
可逆的
いいえ
エネルギー
吸熱性
ΔH
67.4 kJ/mol

関連する反応

Decomposition of Ammonium Nitrate Decomposition of Calcium Hypochlorite Decomposition of Carbonic Acid Decomposition of Iron(II,III) Oxide (Direct Reduction) Decomposition of Nitrous Oxide (Laughing Gas) Decomposition of Barium Peroxide Decomposition of Sodium Bicarbonate Decomposition of Water (Electrolysis) Thermal Decomposition of Copper(II) Carbonate Cracking of Octane (Thermal Cracking)

Frequently Asked Questions

What is the equation for Decomposition of Zinc Carbonate?
The balanced equation is: ZnCO₃ → ZnO + CO₂.
What type of reaction is Decomposition of Zinc Carbonate?
Decomposition of Zinc Carbonate is a decomposition reaction.
Is Decomposition of Zinc Carbonate exothermic or endothermic?
Decomposition of Zinc Carbonate is endothermic (absorbs energy). The enthalpy change (ΔH) is 67.4 kJ/mol.