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Ch 8: Acids, Bases and Chemical Reactions

About This Chapter

Watch video lessons and learn about acids, bases and various kinds of chemical reactions. These lessons are just a portion of our learning materials for high school-level physical science.

Acids, Bases and Chemical Reactions - Chapter Summary and Learning Objectives

With the lessons in this chapter, you will get an understanding of the characteristics of acids and bases and learn about different types of chemical reactions. Experienced instructors will guide you through video lessons that cover topics including the pH scale, oxidation numbers, electrochemical cells and combustion reactions. This chapter is designed to teach you how to:

  • Predict the outcome of synthesis and decomposition reactions
  • Define acids and bases
  • Calculate a solution's pH or pOH
  • Write and predict the products of several kinds of reactions
  • Give the oxidation number for each element in a formula
  • Calculate cell voltage potential
  • Identify amphoteric compounds

Video Objective
Decomposition and Synthesis Reactions Write, identify and predict the products of simple synthesis and decomposition reactions.
The Arrhenius Definition of Acids and Bases Define acid and base according to the Arrhenius theory, list the strong acids and bases and identify common uses of specific acids.
The Bronsted-Lowry and Lewis definition of Acids and Bases Define and identify Bronsted-Lowry and Lewis acids and bases.
Neutralization and Acid-Base Reactions Describe the neutralization process and write an acid/base reaction labeling the conjugate acids and bases.
Dissociation Constant and Autoionization of Water Explain the autoionization of water and calculate the concentration of hydroxide or hydronium given the other value.
The pH Scale: Calculation the pH or pOH of a Solution Calculate the pH or pOH of an acid or base given the necessary values.
Weak Acids, Weak Bases and Buffers Define and describe buffers, as well as weak and strong acids and bases.
Coordination Chemistry: Bonding in Coordinated Compounds Understand how bonding occurs in coordination compounds.
Precipitation Reactions: Predicting Precipitates and Net Ionic Equations Predict if a precipitate will form and write net ionic equations.
Assigning Oxidation Numbers to Elements in a Chemical Formula Know the rules for assigning oxidation number and be able to give the oxidation number for each element in a chemical formula.
Balancing Redox Reactions and Identifying Oxidizing and Reducing Agents Balance redox equations using the half-reaction method.
The Activity Series: Predicting Products of Single Displacement Reactions Use the activity series to predict the products of single displacement reactions.
Electrochemical Cells and Electrochemistry Identify the parts of an electrochemical cell and describe their functions.
Cathode and Anode Half-Cell Reactions Write electrode half reactions for cathodes and anodes. Calculate cell voltage potential given a table of standard electrode potentials.
Writing and Balancing Combustion Reactions Given a fuel, write and balance a combustion reaction. Using the concept of bond energies, explain why combustion reactions are largely exothermic.

15 Lessons in Chapter 8: Acids, Bases and Chemical Reactions
Test your knowledge with a 30-question chapter practice test
Decomposition and Synthesis Reactions

1. Decomposition and Synthesis Reactions

Learn how to write, identify and predict the products of simple synthesis and decomposition reactions. This includes the composition of reactions with oxygen, of two metals, and of metals with nonmetals, as well as the decomposition of metal carbonates, metal chlorates and metal hydroxides.

The Arrhenius Definition of Acids and Bases

2. The Arrhenius Definition of Acids and Bases

In this lesson, you will learn the definition of Arrhenius acids and bases, discover some of their chemical properties and learn some examples. You will also learn about the difference between strong and weak Arrhenius acids and bases.

The Bronsted-Lowry and Lewis Definition of Acids and Bases

3. The Bronsted-Lowry and Lewis Definition of Acids and Bases

Learn the Bronsted-Lowry and Lewis definitions of an acid and base. Discover how these theories differ from each other and from the Arrhenius theory of an acid and base. Learn how to identify an acid in terms of proton donation and a base as a proton acceptor, and explain what a conjugate acid or base is.

Neutralization and Acid-Base Reactions

4. Neutralization and Acid-Base Reactions

From this lesson, you will understand the neutralization process between acids and bases. Learn how a hydroxide ion from a base reacts with a hydronium ion from an acid to neutralize each other and form water. Discover what conjugate acids and bases are and what the definition of amphoteric is.

Dissociation Constant and Autoionization of Water

5. Dissociation Constant and Autoionization of Water

Learn the meaning of auto-ionization of water, sometimes called self-ionization, where water acts as a proton donor and acceptor to form both hydronium and hydroxide ions. Learn what the auto-ionization constant is and how to use it to determine the concentration of either hydroxide or hydronium ions in a solution when given the other value.

The pH Scale: Calculating the pH of a Solution

6. The pH Scale: Calculating the pH of a Solution

Learn the history of the pH scale, how to describe it and why it is used by scientists. Discover how to calculate the pH of an acid or base solutions given either the hydroxide ion concentration or the hydronium ion concentration. Learn how to start with the pH and calculate the hydroxide and hydronium ion concentrations.

Weak Acids, Weak Bases, and Buffers

7. Weak Acids, Weak Bases, and Buffers

This lesson covers both strong and weak acids and bases, using human blood as an example for the discussion. Other concepts discussed included conjugate acids and bases, the acidity constant, and buffer systems within the blood.

Coordination Chemistry: Bonding in Coordinated Compounds

8. Coordination Chemistry: Bonding in Coordinated Compounds

Discover what a coordinated compound is. Understand how bonding occurs in coordinated compounds and some of the possible shapes coordinated compounds can be. Learn the uses in nature and industry for coordinated compounds.

Precipitation Reactions: Predicting Precipitates and Net Ionic Equations

9. Precipitation Reactions: Predicting Precipitates and Net Ionic Equations

Learn what a precipitate is and predict when it will form in an aqueous chemical reaction, usually a double-replacement reaction. Learn what an ionic equation is, how it differs from a net ionic equation and how to write a net ionic equation.

Assigning Oxidation Numbers to Elements in a Chemical Formula

10. Assigning Oxidation Numbers to Elements in a Chemical Formula

Learn the importance of oxidation in chemical reactions. Discover the rules for assigning oxidation numbers in both covalent compounds and ionic compounds. Learn how to assign the oxidation number for each element in a chemical formula.

Balancing Redox Reactions and Identifying Oxidizing and Reducing Agents

11. Balancing Redox Reactions and Identifying Oxidizing and Reducing Agents

Learn how to identify an oxidizing agent and a reducing agent and how the loss or gain of electrons applies to each one. Learn the relationship between an oxidized or reduced substance and the oxidizing or reducing agent associated with it. Discover what steps to take to balance a redox reaction.

The Activity Series: Predicting Products of Single Displacement Reactions

12. The Activity Series: Predicting Products of Single Displacement Reactions

Discover what a single replacement reaction is and how to identify it. Learn what chemical activity is, how that applies to an activity series table and how to predict the product of a single replacement reaction by referring to the activity series.

Electrochemical Cells and Electrochemistry

13. Electrochemical Cells and Electrochemistry

Learn to identify the parts of and be able to describe an electrochemical cell, including the electrolyte, electrodes, anodes, and cathodes. Learn how to make a homemade lemon battery and how to diagram an electrochemical cell that will light a light bulb.

Cathode and Anode Half-Cell Reactions

14. Cathode and Anode Half-Cell Reactions

Learn how to write electrode half-reactions for cathodes and anodes. Discover how to calculate cell voltage potential when given a table of standard electrode potentials. Learn how to prevent corrosion using redox concepts and how to protect metal by cathodic protection.

Writing and Balancing Combustion Reactions

15. Writing and Balancing Combustion Reactions

Discover what a combustion reaction is as well as what reactants are needed and what products are produced. Learn to write and balance a combustion reaction. Through the concepts of bond energies, learn how to explain why combustion reactions are largely exothermic.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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