About This Chapter
Who's it for?
Anyone who needs help learning or mastering college-level general chemistry material will benefit from taking this course. There is no faster or easier way to learn college-level general chemistry. Among those who would benefit are:
- Students who have fallen behind in understanding chemical and dynamic equilibrium or working with a RICE table in equilibrium calculations
- Students who struggle with learning disabilities or learning differences, including autism and ADHD
- Students who prefer multiple ways of learning science (visual or auditory)
- Students who have missed class time and need to catch up
- Students who need an efficient way to learn about equilibrium
- Students who struggle to understand their teachers
- Students who attend schools without extra science learning resources
How it works:
- Find videos in our course that cover what you need to learn or review.
- Press play and watch the video lesson.
- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Verify you're ready by completing the Equilibrium chapter exam.
Why it works:
- Study Efficiently: Skip what you know; review what you don't.
- Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
- Be Ready on Test Day: Use the Equilibrium chapter exam to be prepared.
- Get Extra Support: Ask our subject-matter experts any Equilibrium question. They're here to help!
- Study With Flexibility: Watch videos on any web-ready device.
Students will review:
This chapter helps students review the concepts in an Equilibrium unit of a standard college-level general chemistry course. Topics covered include:
- Equilibrium constant (K) and equilibrium quotient (Q)
- Solubility equilibrium
- The common ion effect and selective precipitation
- Acid-base equilibrium
- Acid-base buffers
1. 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.
2. 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.
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. Using a RICE Table in Equilibrium Calculations
Learn what the RICE table is and how to fill in the table with the reaction, initial concentration, change in concentration and amount of product and reactants at equilibrium. Learn how to use the RICE table to calculate the concentrations and amounts and the equilibrium constant of equations at equilibrium.
5. 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.
6. 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.
7. Acid-Base Equilibrium: Calculating the Ka or Kb of a Solution
In this lesson, you will review acid and base strength and acid and base dissociation. You will then learn what acid and base dissociation constants (Ka and Kb) are, what they mean, and how to perform calculations involving them.
8. 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.
9. Titration of a Strong Acid or a Strong Base
Discover what titration is and how to calculate the concentration of an acid or base that has been titrated to equivalence. Learn the meaning of titrant, standard solution and equivalence point. Study titration curves and learn how to determine pH during any point of a titration between a strong acid and strong base.
10. Titrations with Weak Acids or Weak Bases
Learn about titrations with weak acids or weak bases in this lesson. Study their titration curves and learn about some of their important characteristics. Learn how to calculate pH during titrations involving weak acids and strong bases.
11. Actual vs. Theoretical Yield: Definitions & Formulas
In this lesson, we will define theoretical yield and actual yield using an analogy to baking cookies. We will then follow up with an actual chemical reaction and learn how to identify the limiting reactant, and calculate the theoretical and percent yield.
12. Dynamic Equilibrium: Definition, Function & Examples
In this lesson, we will discuss dynamic equilibrium and define the equilibrium constant expression, K, for a given reaction. We will also use an example to practice calculating the equilibrium constant.
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Other chapters within the College Chemistry: Help and Review course
- Experimental Chemistry and Introduction to Matter: Help and Review
- Atoms: Help and Review
- The Periodic Table: Help and Review
- Nuclear Chemistry: Help and Review
- Chemical Bonding: Help and Review
- Liquids and Solids: Help and Review
- Gases: Help and Review
- Solutions: Help and Review
- Stoichiometry: Help and Review
- Chemical Reactions: Help and Review
- Kinetics: Help and Review
- Thermodynamics: Help and Review
- Chirality in Organic Chemistry: Help & Review
- Stereochemistry: Help & Review