Thermal Decomposition of Copper(II) Carbonate
CuCO3 → CuO + CO2
Tổng quan
Green copper(II) carbonate decomposes when heated to form black copper(II) oxide and carbon dioxide gas. This is a classic laboratory demonstration showing the color change from green to black. The reaction occurs at relatively low temperatures (~290 C).
Người tham gia
| Vai trò | Chất | Hệ số | Trạng thái |
|---|---|---|---|
| Sản phẩm | Carbon Dioxide CO₂ | 1 | (g) |
Ví dụ thực tế
The green patina on copper roofs (like the Statue of Liberty) contains copper carbonate, which forms from the reaction of copper with air and rain.
Tầm quan trọng công nghiệp
Copper carbonate decomposition is used in some copper smelting processes and in the preparation of copper oxide for ceramics and pigments.
Tính chất
- Loại
- Decomposition
- Thuận nghịch
- Không
- Năng lượng
- Thu nhiệt
- ΔH
- 74,0 kJ/mol
Phản ứng liên quan
Decomposition of Calcium Hypochlorite
Decomposition of Carbonic Acid
Decomposition of Nitrous Oxide (Laughing Gas)
Decomposition of Barium Peroxide
Decomposition of Sodium Bicarbonate
Decomposition of Water (Electrolysis)
Decomposition of Silver Chloride (Photodecomposition)
Thermal Decomposition of Lead(IV) Oxide
Decomposition of Hydrogen Peroxide
Decomposition of Ammonium Nitrate
Frequently Asked Questions
What is the equation for Thermal Decomposition of Copper(II) Carbonate?
The balanced equation is: CuCO₃ → CuO + CO₂.
What type of reaction is Thermal Decomposition of Copper(II) Carbonate?
Thermal Decomposition of Copper(II) Carbonate is a decomposition reaction.
Is Thermal Decomposition of Copper(II) Carbonate exothermic or endothermic?
Thermal Decomposition of Copper(II) Carbonate is endothermic (absorbs energy). The enthalpy change (ΔH) is 74.0 kJ/mol.