Ch.18 - ElectrochemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Co(s) → Co3+(aq) + 3e- (Anode)Ag+(aq) + e- → Ag(s) (Cathode)What is the net cell reaction for the cobalt-silver voltaic cell?Express your answer as a chemical equation. Please include if it is (aq), (l), (s), or (g).

Problem

Co(s) → Co3+(aq) + 3e- (Anode)

Ag+(aq) + e- → Ag(s) (Cathode)

What is the net cell reaction for the cobalt-silver voltaic cell?

Express your answer as a chemical equation. Please include if it is (aq), (l), (s), or (g).

Solution

Get the overall reaction by balancing the number of electrons transferred then adding the oxidation half-reaction and reduction half-reaction.

lose electrons  oxidation → anode

gain electrons  reduction → cathode

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