Use the link Standard Reduction Potentials to answer the following questions. Wr

Question

Use the link Standard Reduction Potentials to answer the following questions.
Write net equations for the spontaneous redox reactions that occur during the following or none (all lower case) if there is no extensive reaction. Use the lowest possible coefficients. Include states-of-matter in your answer.

a) Iron metal is dipped into a Ni2+ solution

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b) Copper metal is added to hydrochloric acid

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c) A silver wire is added to nitric acid (HNO3)

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d) Magnesium metal is added to water

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e) Chromium metal is added to a solution of Mg2+

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Explanation / Answer

a) Iron metal is dipped into a Ni2+ solution

Ni^2+(aq) + Fe(s) ----------> Ni(s) + Fe^2+(aq)

b) Copper metal is added to hydrochloric acid
Does not react. [None]

c) A silver wire is added to nitric acid (HNO3)

NO3^1-(aq) + 3Ag(s) + 4H^+(aq) -----------------> NO(aq) + 3Ag^+(aq) + 2H2O(l)

d) Magnesium metal is added to water

2H2O(aq) + Mg(s) ---------------> H2(g) + Mg^2+(aq) + 2OH^-(aq)


e) Chromium metal is added to a solution of Mg2+
Does not react [None]

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