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For a Galvanic Cell That Uses the Following Two Half-Reactions

question 14

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For a galvanic cell that uses the following two half-reactions,
Cr2O72-(aq) + 14 H+(aq) + 6 e- → 2 Cr3+(aq) + 7 H2O(l)
Pb(s) → Pb2+(aq) + 2 e-
How many moles of Pb(s) are oxidized by three moles of Cr2O72-(aq) ?

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Definitions:

Expected Frequency

The theoretical frequency of an event or category estimated from a probability distribution or sample data.

Groups

Sets of subjects or items that are classified together based on shared characteristics or for purposes of an experiment or study.

Total N

The total number of observations, subjects, or participants included in a study or experiment.

Degrees Of Freedom

The number of independent pieces of information on which a statistical estimate is based, minus the number of parameters estimated.

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