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- Discuss the physical and chemical properties of matter.
- Categorize properties of matter as intensive or extensive.
- Describe the difference between a chemical and a physical change in matter.
- Explore the different methods for separating mixtures.
- Use titration to find the concentration of an acid or base.
- Explain how Beer's law can be used to determine the relationship between absorbance and concentration.
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.
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.
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.
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.
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.
6. What is an Electron Microscope? - Definition, Types & Uses
Find out how we can observe the arrangement of atoms in a crystal, or the small features on the antenna of a wasp. In this lesson you will understand how electron microscopes work and their applications in science and technology.
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