Decomposition of Zinc Carbonate

ZnCO₃ → ZnO + CO₂

Tổng quan

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.

Người tham gia

Vai trò	Chất	Hệ số	Trạng thái
Sản phẩm	Carbon Dioxide CO₂	1	(g)

Ví dụ thực tế

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

Tầm quan trọng công nghiệp

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

Tính chất

Loại: Decomposition
Thuận nghịch: Không
Năng lượng: Thu nhiệt
ΔH: 67,4 kJ/mol

Phản ứng liên quan

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.