Chapter 15, Problem 15.85CQ

Using the activity series in Table 15.3, indicate whether each of the following reactions is spontaneous: (15.3)

1. $Zn\left(s\right)+C{a}^{2+}\left(aq\right)\to Z{n}^{2+}\left(aq\right)+Ca\left(s\right)$
2. $2Al\left(s\right)+3S{n}^{2+}\left(aq\right)\to 2A{l}^{3+}\left(aq\right)+3Sn\left(s\right)$
3. $Mg\left(s\right)+2H^{+}\left(aq\right)\to M{g}^{2+}\left(aq\right)+H_2\left(g\right)$