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- Begin your assignment or other GED science work.
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- Describe the properties of water.
- Explain what a solution is.
- Understand the processes of osmosis, saturation and diffusion.
- Define acids and bases.
- Write and balance chemical equations.
- Look at examples of common chemical reactions.
- Provide examples of oxidation-reduction reactions.
1. Properties of Water
Why does ice float? Why can water rise on its own against gravity in a small tube? Find out how these mysterious properties of water can be explained by hydrogen bonds.
2. Solutions, Solutes, and Solvents
Oh no! Your friend Ben just drank chili oil on a dare, and now his mouth is burning. Should he drink the ice water or vegetable oil to cool his mouth? Quick. Watch this lesson if you aren't sure.
3. Osmosis, Diffusion and Saturation
The cells in our bodies are in constant flux through the processes of osmosis and diffusion. Learn about how saturation levels force change, and why we're lucky they do.
4. 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.
5. Basic Properties of Chemical Reactions
Learn how about the various components of a chemical reaction, and how those components function. Use this lesson to understand the basic properties of different kinds of chemical reactions.
6. Common Chemical Reactions and Energy Change
This lesson covers the five common types of chemical reactions: combination, decomposition, single-replacement, double-replacement, and combustion. You will learn how to predict what kind of chemical reaction will occur. You'll also explore how matter is conserved, but energy can change.
7. Redox (Oxidation-Reduction) Reactions: Definitions and Examples
This short video will explain oxidation-reduction reactions, or redox reactions for short. The focus is on how electrons are transferred during redox reactions. Learn some neat mnemonic devices to help you remember when an atom is oxidizing or reducing.
8. Amphoteric: Definition, Properties & Examples
There are substances that can only act as an acid and those that can only act as a base. However, there are also substances that can do both - these are called amphoteric substances. In this lesson, we will learn all about the amphoteric substances.
9. Bronsted-Lowry Acid: Definition & Examples
Two scientists came to a conclusion: an acidic solution behaves as proton donors, which is in the form of a hydrogen ion. This is what we call the Bronsted-Lowry definition of an acid, which is the main focus of this lesson.
10. Exothermic Reaction: Definition & Example
Many chemical reactions occur everyday and can have very different results. In this lesson, you will learn about chemical reactions that are considered to be exothermic.
11. Lewis Acid: Definition, Theory & Examples
This lesson will introduce a new way of looking at acid and base chemistry. We will learn how to identify Lewis acids and how they react with Lewis bases. A quiz will test what we have learned.
12. Lewis Base: Definition & Examples
Every day, we encounter solutions that can be classified as bases. What exactly is a base? A scientist named Gilbert N. Lewis came up with a definition of a basic solution, referred to as a Lewis base, which we will discuss in this lesson.
13. Oxidizing Agent: Definition & Examples
There are many common processes, such as rusting, aging and combustion, that involve substances called oxidizing agents. In this lesson, we will discuss the definition and common examples of oxidizing agents.
14. What is Acid in Chemistry? - Definition & Overview
Acids are chemical agents that release hydrogen ions when added to water. Their chemistry makes them one of the most important classes of molecules in nature and science. This article addresses acids and their properties.
15. What is Oxidation? - Definition, Process & Examples
In this lesson, learn about oxidation and its process, and examine some examples of oxidation, including the mystery of browning fruit. Then, measure what you've learned with a quiz.
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