Chemistry

Many portable gas heaters and grills use propane, C3H8(g).
Using enthalpies of formation, calculate the quantity of heat produced when 17.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.

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  3. 40
asked by Jessica

  1. C3H8 + 5O2 ==> 3CO2 + 4H2O
    dHrxn = (n*Hfproducts)-(n*Hf reactants)
    Look up the delta Hf values, substitut and solvef or dHrxn.

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    posted by DrBob222

  2. -72

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    posted by Anonymous

  3. -573.7

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    posted by Anonymous

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