Thermal Decomposition of Copper(II) Carbonate
CuCO3 → CuO + CO2
概要
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).
参加者
| 役割 | 物質 | 係数 | 状態 |
|---|---|---|---|
| 生成物 | Carbon Dioxide CO₂ | 1 | (g) |
日常の例
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.
産業上の重要性
炭酸銅の分解は一部の銅製錬プロセスやセラミック・顔料用酸化銅の調製に使用される。
特性
- タイプ
- Decomposition
- 可逆的
- いいえ
- エネルギー
- 吸熱性
- ΔH
- 74.0 kJ/mol
関連する反応
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.