Homework Help: chem

Posted by julia-Drboob22 on Monday, November 15, 2010 at 5:49pm.

consider the following balance chemical equation:

2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g)

if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the % yield of nitrogn gas??

please check if is correct....

limitting reagent is NH3 with 2.13 mol N2
theoretical yield nitrogen gas is 59.68g N2
percent yield of nitrogen gas is 14.28%
please i need to know what i'm doing wrong..thank you....

chem - Ms. Sue, Monday, November 15, 2010 at 5:51pm
Your screen name is offensive. One of our best tutors is DrBob222.

Please use a different name.
chem /Sue - julia-Drboob22, Monday, November 15, 2010 at 6:19pm
I'm sorry...I'm not using his name..I know his one of the best tutors, his help me a lot in understanding chemistry..I wrote like that so he could read my question..and check my work...sorry Ms. Sue...all i was trying to do is to direct the question for Drbob22...sorry once again

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