Fanny01 Fanny01

09-01-2015
Chemistry

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For each molecule of propane that burns, three molecules of carbon dioxide are produced. How many total oxygen atoms are in those molecules?

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11-01-2015

C3H8 + 5O2 ⇔ 3CO2 + 4H2O; In each carbon dioxide molecule, there are two oxygen atoms. Because there are three CO2 molecules, there are (3x2) oxygen atoms.

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