Homework Help: chem.(sci)

Posted by tyneisha on Thursday, January 24, 2013 at 6:10pm.

___NH3+___O2->N2+H2O (this is not balanced)
how many moles of oxygen react with 0.23 moles of NH3?
HOW many moles moles of N2 will be produced when reacted with 5 mol of O2?

chem.(sci) - Devron, Thursday, January 24, 2013 at 7:12pm
4NH3 + 3O2----> 2N2 +6H2O

4 mol of NH3=3 mol of O2=2 mol of N2=6 mol of H20

0.23 mol of NH3 *( 3 mol of O2/4 mol of NH3) = # of moles of O2

5 mol of O2 *( 2 mol of N2/3 mol of O2) = # of moles of N2

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