Physical Properties:
* Appearance: Black powder or dark brown solid.
* Density: 6.31 g/cm³
* Melting Point: 1200 °C (2192 °F)
* Boiling Point: 1800 °C (3272 °F)
* Solubility: Insoluble in water, slightly soluble in acids.
* Magnetic Properties: Paramagnetic (weakly attracted to magnets).
* Electrical Conductivity: Semiconducting.
* Thermal Conductivity: 35.2 W/(m·K)
Chemical Properties:
* Stability: Stable in air and water.
* Reactivity:
* Reacts with acids to form copper salts and water:
* CuO + 2HCl → CuCl₂ + H₂O
* Reacts with reducing agents like hydrogen to form copper metal:
* CuO + H₂ → Cu + H₂O
* Reacts with carbon monoxide to form copper metal and carbon dioxide:
* CuO + CO → Cu + CO₂
* Reacts with alkali metal oxides to form copperates:
* CuO + Na₂O → Na₂CuO₂
* Oxidation State: Copper in CuO is in the +2 oxidation state.
* Amphoteric Nature: CuO exhibits amphoteric properties, meaning it can react with both acids and bases.
* Uses:
* Pigment in ceramics and glass.
* Catalyst in various chemical reactions.
* Used in the production of copper metal.
* Component of electrodes in batteries.
* Used in the manufacture of paints and varnishes.
Note: The properties of CuO can be influenced by factors like particle size, impurities, and processing methods.
This information provides a general overview of the physical and chemical properties of CuO. For more detailed information, refer to scientific publications and databases.
