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.

3 answers

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

-72

-573.7

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