Consider the following reaction: 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) in which ∆H = - 3120 kilojoules. If 3.00 grams of ethane are burned, how many kilojoules of heat are produced?
W) 1560
X) 624
Y) 312
Z) 156
✔️Answer:Z) 156
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