For the reaction: 2H₂O(l) + 137 kcal → 2H₂ (g) + O₂ (g) how many kcal are needed to form 2.00 moles O₂ (g) ?
A) 68.5 kcal
B) 137 kcal
C) 274 kcal
D) 190. kcal
E) 548 kcal
Correct Answer:
Verified
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