Part 3: Complete and balance the following reactions: (don't worry about the phases - I won't mark those for this section) 1.Ba(s) + Nzíg) > a. What type of reaction

is this? \mathrm{NaOH}_{(a q)}+\mathrm{H}_{3} \mathrm{PO}_{4(2 q)} \rightarrow a. What type of reaction is this? \mathrm{Al}_{(s)}+\mathrm{CuO}_{(s)} \rightarrow a. What type of reaction is this? \text { 4. } \mathrm{K}_{2} \mathrm{SO}_{4(a q)}+\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2(a q)} \rightarrow a. What type of reaction is this? \mathrm{C}_{3} \mathrm{H}_{8(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow \text { a. What type of reaction is this? }