Homework Help: chemistry

Posted by sukanya on Thursday, February 17, 2011 at 1:16pm.

Consider the combustion reaction: C3H8 (g) + 5 O2(g) ---> 3 CO2(g) + 4H2O(g), where triangle symbol H= - 531 kcal/mol. If 6.70 x 10 to the 4th kcal of energy is released in the reaction,
How many grams of oxygen were consumed

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