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Homework Help: Alcohol Combustion

  1. Nov 28, 2007 #1
    We have an assignment where we're investigating combustion of types of 'fuels'. I chose 4 alcohols- ethanol, methanol, propanol and octanol. I did a few experiments, with one testing the heat produced

    Could you please explain the formula for the heat value- not quite sure what its called :| I need to find out heat produced kj/mole. It was a test where I burned a water-filled calirometer with the alcohol and recorded the waters temp evry 15 seconds under a period of time, and the measurements of the alcohol lost.

    The teacher couldnt explain it. He just confused me even more.. well if it helps, all i remember about the formula is it contained delta H. haha im a little clueless. sorry.

    Thanks :)
  2. jcsd
  3. Nov 28, 2007 #2


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    Do your work in units of calories. Somewhere, you need to find how to convert calories to joules. You must know the meaning of 1 calorie; your calculation of results should be uncomplicated. Amount of heat needed to raise temperature of one gram of water by one degree centigrade = calorie
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