Problem

Applying Concepts These questions test conceptual learning. When this electrochemical...

Applying Concepts

These questions test conceptual learning.

When this electrochemical cell runs for several hours, the green solution gets lighter and the yellow solution gets darker.

(a) What is oxidized, and what is reduced?

(b) What is the oxidizing agent, and what is the reducing agent?

(d) Write equations for the half-reactions.

(e) Which metal gains mass?

(f ) What is the direction of the electron transfer through the external wire?

(g) If the salt bridge contains KNO₃(aq), into which solution will the K⁺ ions migrate?

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Solutions For Problems in Chapter 18

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