About This Chapter
Acid-Base Balance - Chapter Summary and Learning Objectives
Our short and flexible video lessons are a useful tool for quickly getting up to speed on acids and bases. These lessons teach you all you need to know about weak acids and bases, pH and the pH scale, and buffers. You'll get hands-on experience performing calculations to find pH and can watch engaging lessons on blood buffering. If you miss a critical point in your first viewing, you can use the video tags to go back and review just the main points of the video. You'll also find quizzes that follow each lesson to assess your comprehension of the material. By watching these lessons, you'll learn:
- Equations used measure acids and bases
- The differences between strong and weak acids and bases
- Methods for calculating pOH of a solution
- Benefits resulting from having your blood buffered
|Acids and Bases||Determine how the pH scale is used to define an acid and a base.|
|Weak Acids, Weak Bases, and Buffers||Explore the buffering systems found in blood and learn what it takes for an acid or base to be considered weak.|
|The pH Scale: Calculating the pH or pOH of a Solution||Discover the history of the pH scale and its uses. Practice using the formulas to calculate pH or pOH of a solution.|
|Acid-Base Buffers: Calculating the pH of a Buffered Solution||Describe what a buffer is and how it works. Use equations to calculate pH of a buffer solution in different situations.|
1. 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.
2. Weak Acids, Weak Bases, and Buffers
This lesson covers both strong and weak acids and bases, using human blood as an example for the discussion. Other concepts discussed included conjugate acids and bases, the acidity constant, and buffer systems within the blood.
3. The pH Scale: Calculating the pH of a Solution
Learn the history of the pH scale, how to describe it and why it is used by scientists. Discover how to calculate the pH of an acid or base solutions given either the hydroxide ion concentration or the hydronium ion concentration. Learn how to start with the pH and calculate the hydroxide and hydronium ion concentrations.
4. 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.
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- Cardiovascular Physiology
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