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Chemistry

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The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy obtained from burning 1.25 pounds of propane (fuel value is 11.09 kcal/g) is used to heat 123.0 kg of water at an initial temperature of 18.1 °C, what is the final temperature?

  • Chemistry -

    mass fuel = 1.25lbs x (453.6 g/lb) = ?
    q = ?g fuel x 11.09 kcal/g
    q = mass H2O x specific heat H2O x (Tfinal-Tinitial)
    specific heat H2O must be used in kcal/g.

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