Ch 18: General Science: Acid-Base Chemistry

About This Chapter

The National Evaluation Series General Science exam has replaced the AEPA General Science exam in Arizona. This chapter on acid-base chemistry will help you study for the NES exam.

AEPA General Science: Acid-Base Chemistry - Chapter Summary

The video lessons and practice quizzes in this chapter will get you prepared for acid-base chemistry questions on the AEPA General Science exam. By the end of the chapter, you will be familiar with the following topics found on the exam:

  • Acids and bases
  • The Arrhenius definition of bases and acids
  • Acid-base reactions and neutralization
  • Autoionization of water and the dissociation constant
  • Using the pH scale to calculate the pH or pOH of a solution

The chapter is broken up into brief video lessons lasting about five minutes apiece. Use the lessons to review topics you may be rusty on, then test your knowledge with interactive quizzes. Watch the lessons as many times as you'd like until you feel you've fully mastered the concepts.

AEPA General Science: Acid-Base Chemistry Objectives

Passing the AEPA General Science exam is required to teach science in the state of Arizona. The exam consists of 150 multiple-choice questions and lasts three hours. The lessons in this chapter will help you with questions in the physical science section, which makes up about 37% of the total exam questions. Among other topics, you will be asked to analyze acid-base reactions in terms of reactants and products. Use the chapter exam after you've finished the lessons to make sure you are ready for these questions.

6 Lessons in Chapter 18: General Science: Acid-Base Chemistry
Test your knowledge with a 30-question chapter practice test
Acids and Bases

1. Acids and Bases

Have you ever wondered how we measure the acidity of liquids? Check out this lesson to see how acids and bases are measured on a pH scale and how they relate to neutral solutions, such as water.

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.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

Other chapters within the AEPA General Science (NT311): Practice & Study Guide course