17 Electrochemistry

Chapter 17: Oxidation, Reduction, and Electrochemistry

Labs

  1. Lab 17: Redox Titration p 818

  2. Mining Feasibility

Math Skills

    1. Oxidation Numbers (Problems A)

    2. Balancing Redox Equations: Half-Reaction Method (Problems B)

    3. Calculating Cell Voltage (Problems C)

Objectives

Section 1: Oxidation-Reduction Reactions

    1. Identify atoms that are oxidized or reduced through electron transfer.

    2. Assign oxidation numbers to atoms in compounds and ions.

    3. Identify redox reactions by analyzing changes in oxidation numbers for different atoms in the reaction.

    4. Balance equations for oxidation-reduction reactions through the half-reaction method.

Section 2: Introduction to Electrochemistry

    1. Describe the relationship between voltage and the movement of electrons.

    2. Identify the parts of an electrochemical cell and their functions.

    3. Write electrode reactions for cathodes and anodes.

Section 3: Galvanic Cells

    1. Describe the operation of galvanic cells, including dry cells, lead-acid batteries, and fuel cells.

    2. identify conditions that lead to corrosion and ways to prevent it.

    3. Calculate cell voltage from a table of standard electrode potentials.

Section 4: Electrolytic Cells

    1. Describe how electrolytic cells work.

    2. Describe the process of electrolysis in the decomposition of water and in the production of metals.

    3. Describe the process of electroplating.