Decomposition of Zinc Carbonate

ZnCO3 → ZnO + CO2

Übersicht

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.

Teilnehmer

Rolle Substanz Koeffizient Zustand
Produkt Carbon Dioxide CO₂ 1 (g)

Alltägliches Beispiel

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

Industrielle Bedeutung

This decomposition is an important step in zinc oxide production for rubber vulcanization, ceramic glazes, and pharmaceutical ointments.

Eigenschaften

Typ
Decomposition
Reversibel
Nein
Energie
Endotherm
ΔH
67,4 kJ/mol

Verwandte Reaktionen

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.