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.

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