MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Copper oxidation experiment. Image 3 of 3. Copper sheet after heating in a flame. When heated, the reddish coloured metal copper reacts with the oxygen in the air to form copper oxide (black). The equation for the reaction is: 2Cu + O2 => 2CuO. For a sequence showing the oxidation of copper, see images A500/712-714.
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