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Question
When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
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Solution
When copper powder is heated strongly in air, it reacts with oxygen to form black copper(II) oxide.
The balanced chemical equation is:
\[\ce{2Cu_{(s)} + O2_{(g)} ->[Heat] 2CuO_{(s)}}\]
- Copper (Cu)
- Oxygen (O2)
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