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Solution

Using the reactivity series above, answer the following questions for each cell.

a) What is the potential difference generated by the cell?
b) In which direction do the electrons flow?
c) What happens to the mass of each electrode ?
d) Which of the two electrodes is the anode and which is the cathode?
e) What charged particles flow into each half cell?
f) Give the overall redox reaction

Solution

Solution
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Balance for charge by adding electrons tot he most positive side. Balance for hydrogen by adding Hydrogen ions to the hydrogen deficient side. Balance for oxygen by adding water to the oxygen deficient side. Balance for Ag atoms Balance for oxygen by adding water to the oxygen deficient side. Balance for hydrogen by adding Hydrogen ions to the hydrogen deficient side. Balance for charge by adding electrons tot he most positive side. Home
Each oxygen atom has an oxidation number of -2 Each oxygen atom has an oxidation number of -2 Each potassium atom has an oxidation number of =1