Cobreado electrolítico
Cu2+ + 2e− → Cu
Descripción general
Copper ions from a CuSO₄ solution are reduced at the cathode surface, depositing a thin layer of metallic copper. The anode is typically a copper bar that dissolves to replenish Cu²⁺ in solution. Current density, temperature, and additives control the deposit quality, grain size, and brightness.
Participantes
| Rol | Sustancia | Coeficiente | Estado |
|---|---|---|---|
| Producto | Cobre Cu | 1 | (s) |
Ejemplo cotidiano
The shiny copper plating on decorative items, trophies, and plumbing fixtures is applied by this electrochemical process.
Importancia industrial
El cobreado electrolítico es esencial en la fabricación de PCB, interconexiones de semiconductores y acabados decorativos. Crea las capas conductoras de todos los dispositivos electrónicos.
Propiedades
- Tipo
- Electroquímica
- Reversible
- Sí
- Energía
- Exotérmico
- ΔH
- -65,5 kJ/mol
Reacciones relacionadas
Preguntas frecuentes
What is the equation for Cobreado electrolítico?
The balanced equation is: Cu²⁺ + 2e⁻ → Cu.
What type of reaction is Cobreado electrolítico?
Cobreado electrolítico is a electroquímica reaction. It is reversible under certain conditions.
Is Cobreado electrolítico exothermic or endothermic?
Cobreado electrolítico is exothermic (releases energy). The enthalpy change (ΔH) is -65.5 kJ/mol.