Decomposition of Zinc Carbonate

ZnCO₃ → ZnO + CO₂

Visão geral

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.

Participantes

Papel	Substância	Coeficiente	Estado
Produto	Carbon Dioxide CO₂	1	(g)

Exemplo do cotidiano

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

Importância industrial

O óxido de zinco produzido é utilizado em protetor solar (filtro UV), revestimentos de borracha, componentes electrónicos, e no tratamento de dermatites.

Propriedades

Tipo: Decomposition
Reversível: Não
Energia: Endotérmico
ΔH: 67,4 kJ/mol

Reações relacionadas

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.