Table of Contents
Chapter 20 Electrochemistry
Zn + Sn2+ ? Zn2+ + Sn
Zn + Cu2+ ? Zn2+ + Cu
20.1 Oxidation-Reduction Reactions
Oxidation and Reduction You can’t have one without the other!
Half-Reactions
Half-Reactions
Spontaneous Oxidation-Reduction Reactions
Spontaneous Redox
Spontaneous Redox
Spontaneous Redox
Spontaneous Redox
Activity Series
Group Work
20.2 Balancing Oxidation-Reduction Equations
Balancing Equations
Half-Reaction Method
Half-Reaction Method continued
Balancing Equations
Balancing Equations
Balancing Equations
Balancing Equations in Basic Solution
Group Work
20.3 Voltaic Cells
Voltaic Cell
Voltaic Cells
Voltaic Cells
Voltaic Cells
Lemon Battery
Molecular View of Electrode Processes
20.4 Cell EMF
Cell EMF
Electromotive Force
Eo Values
Cell Potential
Eo Values
Reference to Hydrogen Electrode
Reference to Hydrogen Electrode
Reference to Hydrogen Electrode
Reference to Hydrogen Electrode
Eo Values
Eo Values
Reduction Potentials
Relative Strengths of Oxidizing and Reducing Agents
20.5 Spontaneity of Redox Reactions
Spontaneous Redox
Spontaneous Redox
Predicting Reactions
Predicting Reactions
Predicting Reactions
Predicting Reactions
Group Work: Predicting Reactions
Group Work: Predicting Reactions
Group Work: Predicting Reactions
Group Work: Predicting Reactions
Group Work: Predicting Reactions
Stability in Aqueous Systems
Stability in Aqueous Systems
Stability in Aqueous Systems
Stability in Aqueous Systems
Stability in Aqueous Systems
EMF and Free Energy Change
Thermodynamics
Voltage and Moles
Thermodynamics
Thermodynamics
Thermodynamics
Group Work
Thermodynamics
20.6 Effect of Concentraiton on Cell EMF
Nernst Equation
Nernst Equation
Nernst Equation
Concentration Cells
20.7 Batteries (Voltaic Cells)
Voltaic Cells
LeClanche Dry Cell
LeClanche Dry Cell
Alkaline Dry Cell
Alkaline Dry Cell
Lead Storage Battery
Lead Storage Battery
Lead Storage Battery
NiCad Cell
Silver Cell
Fuel Cell
Fuel Cell
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
20.9 Electrolysis
Electrolysis of KI(aq)
Electroplating of Nickel
Electrolytic Processes with Metals
Purification of Copper
Production of Aluminum
Production of Aluminum
Electrolysis
Electrolysis
Electrolysis of Molten NaCl
Electrolysis of NaCl
Electrolysis of NaCl
Electrolysis of NaCl
Electrolysis of NaCl
Downs Cell
Electrolysis of H2O
Electrolysis of Aqueous Solutions
Electrolysis of Aqueous Solutions
Group Work
Group Work
Group Work
Faraday’s Law
Faraday’s Law
Group Work
Faraday’s Law
Faraday’s Law
Faraday’s Law
Group Work
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