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sulfur dioxide (g) + oxygen (g) sulfur trioxide (g)

SO2 + O = SO3

Is this correct for the balanced equation?

  • chemistry - ,

    No. Don't get carried away with trying to balance the equation by changing the subscripts. In fact, a good rule to remember is this.
    1. Write the reactants and products.
    SO2 + O2 ==> SO3 (You must have O2 since oxygen is a diatomic molecule. We don't have just O floating around.)
    RULE # 2. You may NOT change any subscripts.
    3. Balance by changing ONLY the coefficients.
    4. 2SO2 + O2 ==> 2SO3

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