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AP Chemistry Unit 9.8: Electrochemical Cells

Practice AP Chemistry Unit 9.8 questions on cell components, galvanic and electrolytic operation, half-reactions, electron flow, and ion movement.

Syllabus
Effective Fall 2025
Course
AP Chemistry

Covered syllabus points

9.8.A—Explain the relationship between the physical components of an electrochemical cell and the overall operational…

9.8 Galvanic (Voltaic) and Electrolytic Cells question 1

[Maximum number: 1]

Answer the following questions related to manganese compounds.

Another compound of manganese, MnO2\mathrm{MnO}_{2}, is used in alkaline batteries, represented by the following diagram. Some half-reactions are given in the table.

Figure for Question 9.8 Galvanic (Voltaic) and Electrolytic Cells question 1 — AP Chemistry
Table for Question 9.8 Galvanic (Voltaic) and Electrolytic Cells question 1 — AP Chemistry

A student claims that the total mass of an alkaline battery decreases as the battery operates because the anode loses mass. Do you agree with the student's claim? Justify your answer.

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