I have been ignored and helped incorrectly by tutors please would someone kindly help me with my chemistry homework

Question

1.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2O

In the above equation how many moles of N2 can be made when 13 moles of CuO are consumed?

 

2.) Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below. 

2NaClO3­ --> 2NaCl +3O2

How many moles of O2 were produced by 4 moles of NaClO3­? Round your answer to the nearest whole number.

please help me by explaining and solving please

Answer 1

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