91Ó°ÊÓ

What is the value of the equilibrium constant for the reaction between each pair at $\mathbf{25}\mathbf{°}\mathbf{C}$?

$\begin{array}{l}{\mathbf{\text{(a)Cr(s)andCu}}}^{\mathbf{\text{2+}}}\mathbf{\text{(aq)}}\\ {\mathbf{\text{(b)Sn(s)andPb}}}^{\mathbf{\text{2+}}}\mathbf{\text{(aq)}}\end{array}$

During the redox balancing process, what step is taken to ensure thatloss equalsgain?

Calculatefor each of the reactions

$$\begin{gathered} {\mathbf{\text{(a)Ni(s)andAg}}}^{\mathbf{\text{+}}}\mathbf{\text{(aq)}} \\ {\mathbf{\text{(b)Fe(s)andCr}}}^{\mathbf{\text{3 +}}}\mathbf{\text{(aq)}} \end{gathered}$$

Calculate $\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$for each of the reactions

$$\begin{gathered} {\mathbf{\text{(a)Al(s) and Cd}}}^{\mathbf{\text{2 +}}}\mathbf{\text{(aq)}} \\ {\mathbf{\text{(b)I}}}_{\mathbf{\text{2}}}{\mathbf{\text{(s) and Br}}}^{\mathbf{\text{-}}}\mathbf{\text{(aq)}} \end{gathered}$$

Calculate$\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$for each of the reactions

$$\begin{gathered} {\mathbf{\text{(a)Ag(s) and Mn}}}^{\mathbf{\text{2 +}}}\mathbf{\text{(aq)}} \\ {\mathbf{\text{(b)Cl}}}_{\mathbf{\text{2}}}{\mathbf{\text{(g) and Br}}}^{\mathbf{\text{-}}}\mathbf{\text{(aq)}} \end{gathered}$$

Calculate $\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$for each of the reactions

$$\begin{gathered} {\mathbf{\text{(a)Cr(s) and Cu}}}^{\mathbf{\text{2 +}}}\mathbf{\text{(aq)}} \\ {\mathbf{\text{(b)Sn(s) and Pb}}}^{\mathbf{\text{2 +}}}\mathbf{\text{(aq)}} \end{gathered}$$

What are ${{\mathit{E}}^{\mathbf{∘}}}_{\mathbf{c}\mathbf{e}\mathbf{l}\mathbf{l}}$ and$\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$ of a redox reaction at${\mathbf{25}}^{\mathbf{0}}\mathit{C}$for which $\mathit{n}\mathbf{=}\mathbf{1}$ and$\mathit{K}\mathbf{=}\mathbf{5}\mathbf{.}\mathbf{0}\mathbf{×}{\mathbf{10}}^{\mathbf{4}}$.

What are ${{\mathbf{E}}^{\mathbf{∘}}}_{\mathbf{c}\mathbf{e}\mathbf{l}\mathbf{l}}$and $\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$of a redox reaction at ${\mathbf{25}}^{\mathbf{0}}\mathit{C}$for which $\mathit{n}\mathbf{=}\mathbf{1}$and$\mathit{K}\mathbf{=}\mathbf{5}\mathbf{.}\mathbf{0}\mathbf{×}{\mathbf{10}}^{\mathbf{6}}$?

What are${{\mathbf{E}}^{\mathbf{∘}}}_{\mathbf{c}\mathbf{e}\mathbf{l}\mathbf{l}}$ and$\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$ of a redox reaction at${\mathbf{25}}^{\mathbf{∘}}\mathit{C}$for which$\mathit{n}\mathbf{=}\mathbf{2}$ and$\mathit{K}\mathbf{=}\mathbf{65}$?

What are${{\mathit{E}}^{\mathbf{∘}}}_{\mathbf{c}\mathbf{e}\mathbf{l}\mathbf{l}}$ and$\mathbf{△}{\mathit{G}}^{\mathbf{∘}}$ of a redox reaction at${\mathbf{25}}^{\mathbf{0}}\mathit{C}$for which$\mathit{n}\mathbf{=}\mathbf{2}$ and$\mathbf{\text{K = 0.065}}$?