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Ch 4: What Is Matter?

About This Chapter

Watch online science video lessons and learn about heterogeneous mixtures, pure substances, compounds and more. These easy-to-follow lessons are just a portion of our online study guide and video collection.

What Is Matter? - Chapter Summary and Learning Objectives

Instructors in this chapter's video lessons define matter by delving into the various properties used to classify a substance's physical characteristics and chemical composition. They also discuss the different phases and states of matter and show you some of the laboratory procedures used to separate solutions and mixtures into their individual components. By the end of this chapter, you should be able to:

  • Identify chemical properties of matter
  • Name matter's extensive and intensive physical properties
  • Distinguish between physical and chemical changes
  • Measure a solution's concentration

Video Objective
Matter: Physical and Chemical Properties Differentiates between physical and chemical properties and describes pure substances, mixtures, elements and compounds.
Intensive and Extensive Properties of Matter: Examples & Definition Identifies properties that vary according to the amount of matter present and those that do not.
States of Matter and Chemical Versus Physical Changes to Matter Classifies the phases of matter and identifies the difference between a physical change and a chemical change.
Chromatography, Distillation and Filtration: Methods of Separating Mixtures Describes which methods would be used to separate heterogeneous and homogeneous mixtures.
Titration Discusses titration and how it is used to find the concentration of an unknown acid or base.
Beer's Law: Understanding the Relationship Between Absorbance and Concentration Explains Beer's law and how it is used to determine the relationship between a solution's absorbance and concentration.

5 Lessons in Chapter 4: What Is Matter?
Test your knowledge with a 30-question chapter practice test
Matter: Physical and Chemical Properties

1. Matter: Physical and Chemical Properties

How are substances identified? There are two major ways we can describe a substance: physical properties and chemical properties. Learn about how chemists use properties to classify matter as either a mixture or a pure substance.

Examples of Intensive & Extensive Properties of Matter

2. Examples of Intensive & Extensive Properties of Matter

This lesson will explore some examples of intensive and extensive properties to help you identify them more easily in the future. At the end of this lesson, you should be able to define intensive and extensive properties and provide examples.

States of Matter and Chemical Versus Physical Changes to Matter

3. States of Matter and Chemical Versus Physical Changes to Matter

The world around us is constantly changing. Chemists put those changes into two main categories: physical changes and chemical changes. This lesson will define and provide examples of each.

Chromatography, Distillation and Filtration: Methods of Separating Mixtures

4. Chromatography, Distillation and Filtration: Methods of Separating Mixtures

What are some ways that mixtures can be separated? Watch this video to explore several examples of ways you can separate a mixture into its individual components.

Beer's Law: Absorbance & Concentration

5. Beer's Law: Absorbance & Concentration

Beer's Law relates the absorbency of a substance to its chemical concentration. In this lesson, we'll review light transmittance and absorbance and how Beer's Law is used to determine chemical 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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