Chapter 8.2, Problem 11PP

Balance each of the following chemical equations:

$\begin{array}{l}a.F{e}_2{O}_3\left(s\right)+CO\left(g\right)\to Fe\left(s\right)+C{O}_2\left(g\right)\hfill \\ b.L{i}_{3}N\left(s\right)\to Li\left(s\right)+N_2\left(g\right)\hfill \\ c.HBr\left(aq\right)+Al\left(s\right)\to H_2\left(g\right)+AIB{r}_3\left(aq\right)\hfill \\ \begin{array}{l}d.Ba{\left(OH\right)}_2\left(aq\right)+N{a}_{3}P{O}_4\left(aq\right)\\ \to B{a}_3{\left(P{O}_4\right)}_2\left(s)+NaOH(aq\right)\end{array}\hfill \\ \hfill \\ e.A{s}_4{S}_6\left(s\right)+{\text{ O}}_2\left(g\right)\to A{s}_4{O}_6\left(s\right)+S{O}_2\left(g\right)\hfill \end{array}$