Chapter 8.2, Problem 8.8QAP

Balance each of the following chemical equations:

1. $Ca\left(s\right)+B{r}_2\left(l\right)\to CaB{r}_2\left(s\right)$
2. $P_4\left(s\right)+O_2\left(g\right)\to P_4{O}_{10}\left(s\right)$
3. $C_4{H}_8\left(g\right)+O_2\left(g\right)\underset{\to }{\Delta }C{O}_2\left(g\right)+H_{2}O\left(g\right)$
4. $Ca{\left(OH\right)}_2\left(aq\right)+HN{O}_3\left(aq\right)\to H_{2}O\left(l\right)+Ca{\left(N{O}_3\right)}_2\left(aq\right)$
5. $F{e}_2{O}_3\left(s\right)+C\left(s\right)\to Fe\left(s\right)+CO\left(g\right)$