quantative meaning of a chemical formula?

Question

1.How many moles of NH3 will be produced by the complete reaction of 1.5 moles of Hydrogen with Nitrogen?

2. How many moloes of Nitrogen are required?

if its possible can you show the process to get the answer

Answer 1

1. 3H2+N2=2NH3

1.5/3= 0.5
(0.5)(2) = 1 mol

2. (0.5)(1)= 0.5 mol