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Question
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
Answer
This answer is hidden. It contains 1 characters.
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