Question $7$: Predict which of the following reactions will occur $($See Table $4\mathrm{.}6),$ and for those that will occur, indicate which element is oxidized and which is reduced.

$($a$)Ni(s)+Cu(N{O}_3{)}_2(aq)$

$($b$)Ag(s)+KCl(aq)$

$($c$)Al(s)+AuC{l}_3(aq)$

$($d$)Sn(s)+CuB{r}_2($aq$)$

$($e$)Pt(s)+Cu(N{O}_3{)}_2(aq)$

$($f$)Cu(s)+HBr(aq)$

$(g)Cd(s)+AgN{O}_3(aq)$

Question $8$

$($a$)$ What volume of $6\mathrm{.}0M{H}_{2}S{O}_4$ is needed to prepare $500\mathrm{.}0mL$ of a solution that is $0\mathrm{.}25M$ in $H_{2}S{O}_4?($Use Equation $4\mathrm{.}3$ or $4\mathrm{.}4)$

$($b$)$ What volume of $0\mathrm{.}20M{H}_{2}S{O}_4$ can be prepared by diluting $125mL$ of $6\mathrm{.}0M{H}_{2}S{O}_4?($Use Equation $4\mathrm{.}3$ or $4\mathrm{.}4)$