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Homework Help: ap chemistry

Posted by bob on Thursday, October 18, 2012 at 11:48pm.

Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction:
2CO + O2 yields 2CO2
Delta H for this reaction is -135.28 kcal.
If 811.7 kcal is released, how many moles of CO must have reacted?

1). 270.5 mol

2). 40.5 mol

3). 12.0 mol

4). 5.41 mol

5). 16.3 mol

6). 1.35 mol

7). 6.00 mol

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