About This Chapter
How It Works:
- Identify the lessons in the Holt Science Spectrum - Physical Science Acids, Bases & Salts chapter with which you need help.
- Find the corresponding video lessons with this companion course chapter.
- Watch fun videos that cover the acids, bases and salts topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
Students will learn:
- The definitions of acids and bases
- How solutions are created
- Examples of electrolytes and nonelectrolytes
- The pH scale
- The process of neutralization and acid-base reactions
- The definition and formula of salt
- Products found in the home that contain acids, bases and salts
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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.
2. Solutions, Electrolytes and Nonelectrolytes
Learn what a solution is and how it is formed. Learn how to express the concentration of a solution in terms of molarity, molality and mass percent. Discover the differences between an electrolyte and a nonelectrolyte.
3. Acidic, Basic & Neutral Solutions: Determining pH
After watching this video, you will be able to explain the difference between acidic, basic, and neutral solutions and explain the concept of pH. A short quiz will follow.
4. 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.
5. 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.
6. What is Salt in Chemistry? - Definition & Formula
What exactly do we mean by 'salt' in chemistry? Learn more about the definition, chemical, and physical properties and how we can easily figure out the chemical formula of many salts. Test what you have learned with a quiz.
7. Home Products wiith Acids, Bases & Salts
After completing this lesson, you will be able to explain what acids, bases and salts are, and give some examples of products in the home from each category. A short quiz will follow.
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Other chapters within the Holt Science Spectrum - Physical Science: Online Textbook Help course
- Holt Physical Science Chapter 1: Introduction to Science
- Holt Physical Science Chapter 2: Matter
- Holt Physical Science Chapter 3: States of Matter & Energy
- Holt Physical Science Chapter 4: Atoms & the Periodic Table
- Holt Physical Science Chapter 5: The Structure of Matter
- Holt Physical Science Chapter 6: Chemical Reactions
- Holt Physical Science Chapter 7: Solutions
- Holt Physical Science Chapter 9: Nuclear Changes
- Holt Physical Science Chapter 10: Motion
- Holt Physical Science Chapter 11: Forces
- Holt Physical Science Chapter 12: Work & Energy
- Holt Physical Science Chapter 13: Heat & Temperature
- Holt Physical Science Chapter 14: Waves
- Holt Physical Science Chapter 15: Sound & Light
- Holt Physical Science Chapter 16: Electricity
- Holt Physical Science Chapter 17: Magnetism
- Holt Physical Science Chapter 18: Communication Technology
- Holt Physical Science Chapter 19: The Solar System
- Holt Physical Science Chapter 20: The Universe
- Holt Physical Science Chapter 21: Planet Earth
- Holt Physical Science Chapter 22: The Atmosphere
- Holt Physical Science Chapter 23: Using Natural Resources