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ChemistryChemistry
6 June, 06:16

If 6.00 g of carbon is burned completely, what volume of carbon dioxide gas is released at STP? A. 6.0 L B. 11.2 L C. 22.4 L D. 134.4 L

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  1. 6 June, 07:51
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    The balanced chemical reaction for the combustion of carbon is,

    C + O2 - - - > CO2

    6 grams of carbon is equal to 0.5 mols of carbon. This also corresponds to 0.5 mols of carbon dioxide. Using the ideal gas law through STP,

    V = nRT / P

    where R is the universal gas constant, 0.0821 L. atm / mol K, T is 273 K and P is 1 atm. Substituting the known values to the equation,

    V = (0.5 mols) (0.0821 L. atm/mol K) (273 K) / 1 atm = 11.2 L

    Thus, the answer to the question is letter B.
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Home » Chemistry » If 6.00 g of carbon is burned completely, what volume of carbon dioxide gas is released at STP? A. 6.0 L B. 11.2 L C. 22.4 L D. 134.4 L
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