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Chemistry Problem

  1. Oct 2, 2008 #1
    1. The problem statement, all variables and given/known data

    How many grams of ethylene (C2H4) would have to be burned to produce 450 kJ of heat?

    C2H4 + 3O2 ----> 2CO2 + H2O Delta H = -1411 kJ

    3. The attempt at a solution

    No clue
  2. jcsd
  3. Oct 2, 2008 #2
    GOT it ....8.9g
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