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Questions and Answers
Acid and base equilibria unit outcomes: At the end of this unit, the student will be able to demonstrate understanding on the concepts on ______.
Acid and base equilibria unit outcomes: At the end of this unit, the student will be able to demonstrate understanding on the concepts on ______.
acids and bases
Demonstrate understanding on ______ and isotonicity and their relationship to biological systems.
Demonstrate understanding on ______ and isotonicity and their relationship to biological systems.
buffers
References Sinko, P.J., Martin’s Physical Pharmacy and Pharmaceutical Sciences. Philadelphia, PA : ______. 2017.
References Sinko, P.J., Martin’s Physical Pharmacy and Pharmaceutical Sciences. Philadelphia, PA : ______. 2017.
Wolters Kluwer
Smith, B. Remington Education: Physical Pharmacy. London :______. 2016a.
Smith, B. Remington Education: Physical Pharmacy. London :______. 2016a.
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Atkins Elements of Physical Chemistry. ______.
Atkins Elements of Physical Chemistry. ______.
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Study Notes
Understanding Acids and Bases
- Acids are substances that can donate protons (H+) in a solution, while bases accept protons.
- The strength of an acid or base is determined by its ability to dissociate in water.
- pH is a measure of the hydrogen ion concentration in a solution; lower pH indicates higher acidity, while higher pH indicates higher basicity.
- pOH is related to pH, showing hydroxide ion concentration; they are interconnected by the equation pH + pOH = 14.
Buffers
- Buffers are solutions that resist changes in pH upon the addition of small amounts of acids or bases.
- Composed of weak acids and their conjugate bases, buffers maintain physiological pH in biological systems.
- The Henderson-Hasselbalch equation describes the relationship between pH, pKa (acid dissociation constant), and the concentration of the acid and its conjugate base.
Isotonicity
- Isotonic solutions have equal concentrations of solute, preventing net movement of water across cell membranes.
- Importance of isotonicity in pharmaceuticals to ensure safe and effective drug delivery and minimize cellular damage.
- Biological systems require isotonic conditions for optimal cellular function.
Unit Outcomes
- Students will demonstrate comprehension of acids, bases, and their properties.
- Students will understand the role of buffers and isotonicity in maintaining homeostasis in biological systems.
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Description
Test your knowledge on acid and base equilibria with this quiz. Learn and demonstrate your understanding of concepts such as acids, bases, buffers, and isotonicity. References from reputable sources included.
