Balanced half-reactions and the overall spontaneous reaction

Reference no: EM13179867

A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that the silver electrode is positive.

(a) Write balanced half-reactions and the overall spontaneous reaction. (Type your answer using the format [NH4]+ for NH4+. Use the lowest possible coefficients.)

reduction:
__Ag+(aq) + __e- -> ___(s)

oxidation:
__(s) ->__Pb2+(aq) +__e-

overall reaction:
__Ag+(aq) +__(s) ->__(s) + __ Pb2+(aq)

(b) The cation flow is towards which electrode?
lead OR silver

What process occurs at the lead electrode?
oxidation OR reduction

In which direction do the electrons flow?
from the lead electrode to the silver electrode OR from the silver electrode to the lead electrode

Reference no: EM13179867

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