The Following Chemical Equation Is Not Balanced

question 87

Multiple Choice

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

• A) Change the coefficients to: 2 for Al, 3 for CuO and 3 for Cu.
• B) Change the subscripts 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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Definitions:

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The cost of forgoing the next best alternative when making a decision or choosing to consume or produce one good or service over another.