Q
what happens when copper is heated with iron oxide
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When copper is heated with iron oxide, a redox reaction occurs, leading to the formation of copper oxide and iron. This process is a type of displacement reaction where copper, being more reactive than iron, displaces iron from its oxide. The reaction formula is: Cu + Fe2O3 -> CuO + 2Fe. This reaction is an example of the thermite reaction, albeit not the traditional aluminum-iron oxide reaction used for welding. It demonstrates the principle of reactivity in metals, where a metal with higher reactivity displaces a less reactive metal from its compound. Such reactions are exothermic, releasing heat, which makes the process sustain itself once initiated. This principle has practical applications in extracting metals from their oxides and in materials science.
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