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The following chemical equation is not balanced. What must be done to the equation to make...

The following chemical equation is not balanced. What must be done to the equation to make it balanced?

Al (s) + CuO (s) → Al2O3 (s) + Cu (s)

Question 7 options:

a)

 Change the coefficients to: 2 for Al, 3 for CuO, and 3 for Cu.

b)

 Change the subscript of CuO to CuO3.

c)

 Add a molecule of AlO.

d)

 Change the state of matter in the reactants.

e)

 Change the subscripts of Al2O3 to be AlO.
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Answer #1

ZAles) + 3a Oes) → Al2O3(s) + 31 (5) Here, @ Change the coefficients to : 2 for Al, 3 for cul, and 3 for ca. must be done to

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