'Buffer system' diaporamas de présentation

Renal Physiology

Renal Physiology. PART THREE Renal Acid-Base Balance. Acid. An acid is when hydrogen ions accumulate in a solution. It becomes more acidic [H+] increases = more acidity CO 2 is an example of an acid. HCl. 2. 7. H + Cl-. H + Cl-. pH. H + Cl-. H + Cl-.

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Chapter 17 Additional Aspects of Aqueous Equilibria

Chapter 17 Additional Aspects of Aqueous Equilibria . The Common Ion Effect. The common ion effect is an event that occurs when an ionic equilibrium shifts due to the addition of a solute that contains an ion that is the same as an existing ion in the equilibrium. .

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Fill in the Blank

Mixture. Fill in the Blank. Na. Na. Na. Cl. Cl. Cl. O. O. O. O. O. O. O. O. O. H. H. H. H. H. H. Is this a mixture or pure substance? ______________________. False, there are only two (water & salt). True or False. Salt. Water. Na. Na. Na. Cl. Cl. Cl. O. O. O.

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Chapter 15 Applications of Aqueous Equilibria

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Acid Base Balance

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Entry Task: Feb 8 th Friday

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Chapter 26 Balance

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Acid and Base Balance and Imbalance

Acid and Base Balance and Imbalance. Mrs. Chaitali Maitra Assistant Professor Dept. of biochemistry PCMS&RC. TO MY STUDENTS HERE I HAVE TRIED TO SIMPLIFY THE HUGE SUBJECT WITH ANIMATIONS, DIAGRAMS, FLOW CHARTS & RELEVENT MCQs. DIFFERENT TEXT BOOKS AND REFERENCE BOOKS HAVE BEEN USED FOR

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Chapter 14

Chapter 14. Applications of Equilibrium Principles (acid/base systems). Chapter 14. Buffers - applies stoichiometry and equilibria Acid-Base Titrations. Chapter 14. Two system types: a weak acid, HB, and its conjugate base, B - (buffer system). Chapter 14.

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Entry Task: Feb 25 th Monday

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Factors Influencing Hemoglobin Saturation

Factors Influencing Hemoglobin Saturation. _______________________________ of these factors : Po 2 Temperature Blood pH Pco 2 Concentration of BPG Increase of the above factors _ Enhances oxygen _ Decreases act in the opposite manner

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Chapter 27 Fluid, Electrolyte and Acid-Base Homeostasis

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Physiological system of blood. Functional importance of blood plasma components.

Physiological system of blood. Functional importance of blood plasma components. BLOOD. Blood volume is 8% of body weight Average adult has 5 liters of blood:

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ACIDS AND BASE S

ACIDS AND BASE S. pH Review. ECF pH = 7.4 Tightly regulated Fatal if pH 7.25 > pH > 7.55 Nec for proper enzyme activity May ? change protein shape (enzymes) Enzymes catalyze rxns by holding substrates properly for rxn to occur at active site of certain shape

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Acid-Base Balance Disturbances

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Buffer This

Buffer This. The Common Ion Effect and Buffers. There are two common kinds of buffer solutions: Solutions made from a weak acid plus a soluble ionic salt of the weak acid. Solutions made from a weak base plus a soluble ionic salt of the weak base

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Acid Base Review

Acid Base Review. Which acid will be a better conductor of electricity? Hydrofluoric acid Carbonic acid Cyanic acid Nitric acid. Which of the following acid/salt pairs would make a buffer system? Hydrobromic acid and potassium bromide Sulfuric acid and sodium sulfate

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Buffers

Buffers. The Normal pH Range of Some Body Fluids. 1 ml 1.0 M. 1 ml 1.0 M NaOH. 13. 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 14. in 1 liter water. HCl in 1 liter water. ACIDIC. BASIC. Buffer Solutions.

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L. Alkalinity

We have a bicarbonate buffer system in our bodies that make strong acids weaker and strong bases weaker. Bicarbonates in the bloodstream carry CO 2 out of our bodies Many life forms thrive on a small pH range and thus rely on a buffer system. L. Alkalinity .

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