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) 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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Quizplus · Accepted Answer

To balance the equation, changing the coefficients is necessary to ensure that the same number of each type of atom appears on both sides of the equation. Option A correctly balances the aluminum and copper atoms in the reaction.

The Following Chemical Equation Is Not Balanced