I've never done a reaction that involved just bond enthalpies before, so this is just a guess.
It's still products - reactants. The problem is the C=O bond. Do you count it once or twice? I'm going to choose once, but don't be surprised if it is incorrect.
Sum of the products - Sum of the reactants.
ΔH = 799 - 494
ΔH = 305
And that would be your answer to three places.
Answer:
the answer I think is 76.5L
the answer is because when you research that would be the answer
The answer to your question is A. the wind exerts a force on the leaf causing its motion to change
