chemistry

if you combust 30kg of octane (about the amount in one tank for a small car), how many kilograms of CO2 will you emit?

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asked by emily
  1. Octane has a chemical formula of C8H18.

    For complete combustion, the reaction is:

    2C8H18 + 25O2 -> 16CO2 + 18H2O + heat

    RMM(C8H18)=114
    RMM(CO2) = 44

    So 2*114 grams of Octane will produce 16*44 grams of CO2.

    Can you take it from here?

    Check my calculations.

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    posted by MathMate

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