About This Chapter
How It Works:
- Identify the lessons in the Holt McDougal Chemical Equilibrium chapter with which you need help.
- Find the corresponding video lessons within this companion course chapter.
- Watch fun videos that cover the chemical equilibrium 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:
- Biochemical reactions
- Dynamic and chemical equilibrium
- The equilibrium constant and reaction quotient
- LeChatelier's principle
- Selective precipitation and common ion effect
- Acid-base buffers
- Cation hydrolysis along with anion hydrolysis
- Acid-base reaction hydrolysis
- Solubility equilibrium
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1. Biochemical Reactions: Synthesis and Decomposition
Did you know that there are thousands of chemical reactions going on in your body every day? In this lesson, you will learn about three types of biochemical reactions: synthesis reactions, decomposition reactions and reversible reactions.
2. Equilibrium: Chemical and Dynamic
Learn the definition of chemical equilibrium and how it is dynamic. Discover what the equilibrium constant is and how it shows whether the reaction favors the reactants or products. Learn how chemists designate equilibrium in an equation and how they show the difference in reaction rate.
3. Equilibrium Constant (K) and Reaction Quotient (Q)
In this lesson, we will first define and explain the notion of a chemical equilibrium. Then, you'll learn about the equilibrium constant and reaction quotient. Finally, we'll round off the lesson with a couple of examples to solidify what you've learned!
4. LeChatelier's Principle: Disruption and Re-Establishment of Equilibrium
Learn how Le Chatelier's Principle describes the disruption and re-establishment of equilibrium. Learn to explain the factors that disrupt equilibrium, such as concentration, temperature, and pressure. Learn how each of these factors affects a system in equilibrium.
5. The Common Ion Effect and Selective Precipitation
Learn what the common ion effect is, how to make equilibrium calculations involving it, and how to find the concentrations of ions when adding reactions in equilibrium to solutions that already contain ions.
6. Acid-Base Buffers: Calculating the pH of a Buffered Solution
Learn what a buffer is, how it works, and why we benefit from having our blood buffered. Learn how to calculate the pH of a buffered solution before an acid or base is added and how the pH changes after an acid or base is added.
7. Solubility Equilibrium: Using a Solubility Constant (Ksp) in Calculations
Learn the definition of solubility and solubility constant (Ksp) in this lesson. Interpret solubility constants and make calculations involving the dissociation of a slightly soluble compound given molar solubility.
8. Cation & Anion Hydrolysis
Hydrolysis is a reaction that contains water. Depending on the anions and cations present within a hydrolysis reaction, the solution can be more basic or acidic. This lesson will explain how this occurs.
9. Hydrolysis in Acid-Base Reactions
Hydyolysis is the use of water to break apart molecules, in this lesson, you'll learn how water reacts in acidic and basic reactions to create important molecules.
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Other chapters within the Holt McDougal Modern Chemistry: Online Textbook Help course
- Holt McDougal Modern Chemistry Chapter 1: Matter and Change
- Holt McDougal Modern Chemistry Chapter 2: Measurements and Calculations
- Holt McDougal Modern Chemistry Chapter 3: Atoms: The Building Blocks of Matter
- Holt McDougal Modern Chemistry Chapter 4: Arrangement of Electrons in Atoms
- Holt McDougal Modern Chemistry Chapter 5: The Periodic Law
- Holt McDougal Modern Chemistry Chapter 6: Chemical Bonding
- Holt McDougal Modern Chemistry Chapter 7: Chemical Formulas and Chemical Compounds
- Holt McDougal Modern Chemistry Chapter 8: Chemical Equations and Reactions
- Holt McDougal Modern Chemistry Chapter 9: Stoichiometry
- Holt McDougal Modern Chemistry Chapter 10: States of Matter
- Holt McDougal Modern Chemistry Chapter 11: Gases
- Holt McDougal Modern Chemistry Chapter 12: Solutions
- Holt McDougal Modern Chemistry Chapter 13: Ions in Aqueous Solutions and Colligative Properties
- Holt McDougal Modern Chemistry Chapter 14: Acids and Bases
- Holt McDougal Modern Chemistry Chapter 15: Acid-Base Titration and pH
- Holt McDougal Modern Chemistry Chapter 16: Reaction Energy
- Holt McDougal Modern Chemistry Chapter 17: Reaction Kinetics
- Holt McDougal Modern Chemistry Chapter 19: Oxidation and Reduction Reactions
- Holt McDougal Modern Chemistry Chapter 20: Introduction to Electrochemistry
- Holt McDougal Modern Chemistry Chapter 21: Nuclear Chemistry
- Holt McDougal Modern Chemistry Chapter 22: Organic Chemistry
- Holt McDougal Modern Chemistry Chapter 23: Biological Chemistry