Posted by STACEY on Monday, April 4, 2011 at 4:25pm.
Is this a combustion? some other reaction.
H rxn x (Y/28*moles C2H4) = 875
Hrxn is the heat of the reaction, however, that is done in the problem. Y = grams answer, 28 is the molar mass of C2H4 and moles = the coefficient of C2H4 in the equation.
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