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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

Batteries and Electricity

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Sections
Standard Reduction Potentials
Intro to Electrochemical Cells
Galvanic Cell
Electrolytic Cell
Cell Potential: Standard
Cell Potential: The Nernst Equation
Cell Potential and Gibbs Free Energy
Cell Potential and Equilibrium
Cell Potential: G and K
Cell Notation
Electroplating
Practice Problems
A concentration cell made of two Fe2+/Fe3+ half-cells serves as the foundation for the construction of a rechargeable battery. Each half-cell has a 1.5 L capacity, and there are 2.05 M and 1.4x10-3 M Fe3+ concentrations inside each half-cell. How much iron is plated onto the cathode when it is operated at 1.9 A for 6.7 hours?
The reduction of lead and the oxidation of calcium creates a theoretical battery. If there are 0.55 M of Pb2+ and 0.015 M of Ca2+ in a 1.0-liter half-cells initially, calculate the voltage of the battery after giving off 3.0 A for 4.5 h?
The lithium cobalt oxide in a discharging lithium-ion battery __________ for every lithium-ion inserted.a. Expandsb. Contractsc. None of the above
Which statement is correct regarding a zinc-carbon battery with zinc and manganese oxide (MnO2) electrodes? a. It has an energy density most similar to a nickel metal hydride battery b. It has an energy density most similar to an energy Li-ion battery c. It has an energy density most similar to a Lead-acid battery
The unit used to express the capacity of batteries is milliamp-hours (mAh). A fresh alkaline battery has a normal capacity of 2500 mAh and starting voltage of 1.50 V. When the battery has delivered its rated capacity, its voltage decreases to 0.75 V during discharge. Estimate the total maximum electrical work that the battery could perform during discharge if we assume that voltage declines linearly as current is withdrawn.Show More