Multiple Choice
Consider the combustion reaction of propane: C3H8(g) + 5 O2(g) 3 CO2(g) + 4 H2O(g) , where H = -531 kcal. If 6.70 × 104 kcal of energy is released in the reaction, how many grams of oxygen were consumed?
A) 63.1 g of O2
B) 2.02 × 104 g of O2
C) 12.6 g of O2
D) 404 g of O2
Correct Answer:

Verified
Correct Answer:
Verified
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