'Hasselbalch equation' presentation slideshows

Chapter 15

Chapter 15. Applications of Aqueous Equilibria. Addition of base:. Normal human blood pH is 7.4 and has a narrow range of about +/- 0.2. Buffer Solutions. When an acid or base is added to water, the pH changes drastically.

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Applications of Aqueous Equilibria

Applications of Aqueous Equilibria. Buffers, Acid-Base Titrations and Precipitation Reactions. Buffers. Buffers are solutions of a weak acid and its conjugate base.

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Chapter 2 : Water

Chapter 2 : Water. Learning goals :. What kind of interactions occur between different type of molecules in water. Why water is a good medium for life Why nonpolar moieties aggregate in water How dissolved molecules alter properties of water

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Weak acids and bases Salt of weak acid and bases buffer Lecture 9 9 Feb 2011

Weak acids and bases Salt of weak acid and bases buffer Lecture 9 9 Feb 2011. Noorulnajwa Diyana Yaacob noorulnajwa@unimap.edu.my. Weak Acid. A weak acid is an acid that does not completely donate all of its hydrogens when dissolved in water.

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Tip for success: Be able to write the chemical equation for a chemical species acting as an acid:

Tip for success: Be able to write the chemical equation for a chemical species acting as an acid: HX(aq) H + (aq) + X - (aq) Example Write the equation showing the bicarbonate ion acting as an acid. HCO 3 - (aq) H + (aq) + CO 3 2- (aq). Tip for success:

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Chapter 17 Additional Aspects of Aqueous Equilibria

Chapter 17 Additional Aspects of Aqueous Equilibria. 17.1: The Common Ion Effect. The solubility of a partially soluble acid is decreased when a common ion is added HC 2 H 3 O 2(aq) + H 2 O (l) H 3 O + (aq) + C 2 H 3 O 2 - (aq) Consider the addition of C 2 H 3 O 2 -

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Additional Aqueous Equilibria CHAPTER 16

Additional Aqueous Equilibria CHAPTER 16. I. Buffers. A. Definitions Buffer- solutions that resist changes in pH when acid or base are added to it. - they are composed of a weak acid and its conjugate base or a weak base and its conjugate acid .

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Buffers

Buffers. Buffers are composed of a weak acid and its salt or a weak base and its salt. HA < ==> A - + H + This weak ionization has HA available to react with added base or A - to react with acid which leaves H + relatively constant in either case. Buffers.

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PASSAGE OF DRUGS ACROSS MEMBRANES

PASSAGE OF DRUGS ACROSS MEMBRANES. A drug must cross one or more biologic membranes to reach its site of action (absorption later distribution, interaction with the receptor and finally elimination).

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Determination of Buffer Capacity

Determination of Buffer Capacity . Lab 5. Outline. Purpose Buffers Equilibrium Expression / Henderson-Hasselbalch Equation Things to Remember Buffer Capacity Safety Concerns Solutions and Waste Next Lab Reminder. Purpose .

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Buffers and the Henderson-Hasselbalch Equation

Buffers and the Henderson-Hasselbalch Equation. -many biological processes generate or use H + - the pH of the medium would change dramatically if it were not controlled (leading to unwanted effects)

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