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Is this equation balanced? Explain why the equation S+3O2 → SO3 is balanced or is not balanced. Use four different words from the word bank to earn (4 points).

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JoshEast

Answer: ∴ the equation is UNBALANCED since the number of atoms of oxygen on the reactant side is greater than that of the product.

Explanation:

We can check if the equation is balanced by comparing the number of atoms of each element on the reactant and product sides. The reaction is only balanced if the number of atoms of each element is equal.

       S  +  3O₂ → SO₃

    Reactant       Product

S        1                    1

O       6                   3

∴ the equation is UNBALANCED since the number of atoms of oxygen on the reactant side is greater than that of the product.

The balanced equation would be  2 S + 3O₂ → 2SO₃

                                                          Reactant       Product

                                                     S         2                   2

                                                     O        6                    6

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