Question

Li(s)+n2(g)→li3n(s) express your answer as a balanced chemical equation. identify all of the phases in your answer.

Answer 1

The balanced equation would be 6 Li + N2 --->2 Li3N
Li, Lithium is solid reacts with the gas N to give the solid compound Li3N.
There are a total of 6 lithium ions, 2 nitrogen ions. This reaction is called as combination reaction as the two elements react and form single compound.
Li, Lithium is solid reacts with the gas N to give the solid compound Li3N.

Answer 2

equation is balanced when the number of molecules are the equal in both reacting side and the product side.
Li(s) + n2(g) ---> Li3n(s)
From the equation above the reaction is not balanced since the molecules are not equal in both reacting side and the product side.

The reaction is balanced by adding 6 in front of Li and 2 infront of Li3n
that is
6Li(s) + n2(g)-----> 2Li3n(s)