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6 December, 18:43

B. Write a balanced chemical equation for the formation of the copper oxide product

from copper metal and oxygen gas.

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Answers (1)
  1. 6 December, 19:00
    0
    2Cu + O₂ = > 2CuO

    Explanation:

    I am assuming Copper II, the most common form as listed in order of commonality on the periodic table.

    Write a skeleton equation

    Cu + O₂ = > CuO

    Because oxygen is a diatomic atom, it must have 2 atoms when it is alone.

    Balanced

    2Cu + O₂ = > 2CuO

    The only way to increase the number of oxygen atoms in the right side is by doubling all of CuO.

    As a result, I need 2 copper atoms on the left side also.

    By doubling that, the equation is balanced.

    Both sides have 2 copper and 2 oxygen atoms.
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