(a)
Interpretation:
The species which is oxidized and which is reduced have to be identified.
Concept Introduction:
A reducing agent is a reacting species in the reaction that reduces another reacting species. A reducing agent itself gets oxidized when reacts with another species. The reducing agent donates electrons. An oxidizing agent is a reacting species in the reaction that oxidize another reacting species. An oxidizing agent itself gets reduced when it reacts with another species. The oxidizing agent accepts electrons.
(b)
Interpretation:
The oxidizing and reducing agent in the voltaic cell have to be identified.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The anode and cathode agent in the voltaic cell have to be identified.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The half-reaction of the cell has to be stated.
Concept Introduction:
Refer to part (a).
(e)
Interpretation:
The electrode that has gained the mass has to be identified.
Concept Introduction:
Refer to part (a).
(f)
Interpretation:
The direction of flow of electrons through the wire in the cell has to be stated.
Concept Introduction:
Refer to part (a).
(g)
Interpretation:
The solution in which
Concept Introduction:
Refer to part (a).
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Chemistry: The Molecular Science
- Give the notation for a voltaic cell whose overall cell reaction is Mg(s)+2Ag+(aq)Mg2+(aq)+2Ag(s) What are the half-cell reactions? Label them as anode or cathode reactions. What is the standard cell potential of this cell?arrow_forwardThe mass of three different metal electrodes, each from a different galvanic cell, were determined before and after the current generated by the oxidation-reduction reaction in each cell was allowed to flow for a few minutes. The first metal electrode, given the label A, was found to have increased in mass; the second metal electrode, given the label B, did not change in mass; and the third metal electrode, given the label C, was found to have lost mass. Make an educated guess as to which electrodes were active and which were inert electrodes, and which were anode(s) and which were the cathode(s).arrow_forwardConsider the following cell running under standard conditions: Fe(s)Fe2+(aq)Al3+(aq)Al(s) a Is this a voltaic cell? b Which species is being reduced during the chemical reaction? c Which species is the oxidizing agent? d What happens to the concentration of Fe3+(aq) as the reaction proceeds? e How does the mass of Al(s) change as the reaction proceeds?arrow_forward
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