The half-cell is a chamber in the voltaic cell where one half-cell is the site o
ID: 995287 • Letter: T
Question
The half-cell is a chamber in the voltaic cell where one half-cell is the site of the oxidation reaction and the other half-cell is the site of the reduction reaction. Type the half-cell reaction that takes place at the anode for the iron-silver voltaic cell. Indicate the physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget to add electrons in your reaction. The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction. Type the half-cell reaction that takes place at the cathode for the iron-silver voltaic cell. Indicate physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget to add electrons in your reaction.
Explanation / Answer
The half-cell is a chamber in the voltaic cell where one half-cell is the site of the oxidation reaction and the other half-cell is the site of the reduction reaction.
Fe3+(aq) + 3e– Fe(s) -0.04
Ag+(aq) + e– Ag(s) +0.80
Type the half-cell reaction that takes place at the anode for the iron-silver voltaic cell.Indicate the physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget to add electrons in your reaction.
anode = oxidation, the element with the LOWEST reduction potential, so Iron
Fe3+(aq) + 3e– Fe(s)
must be oxidizing so:
Fe(s) --> Fe+3(aq) + 3e-
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
Type the half-cell reaction that takes place at the cathode for the iron-silver voltaic cell. Indicate physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget to add electrons in your reaction.
The cathode is where reduction takes places, it belongs to the species with the higher potential, tha tis silver:
Ag+(aq) + e– Ag(s)
remains as it is, since it is gainig electrons
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