EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Chapter 20, Problem 15CC
In equation 6, the amount of
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What is the pH of the following buffer mixtures? (a) 100 mL 1 M acetic acid plus 100 mL 0.5 M sodium acetate (b) 250 mL 0.3 M phosphoric acid plus 250 mL 0.8 M KH2PO4
At what pH does a lysine solution exhibit the highest buffering
capacity? (Lysine pKas: pk1 = 2.2, pK2 = 8.95, pK3 = 10.5)
%3D
O рH 12.1
О рH 9.72
O pH 5.67
pH 8.95
Please step by step answer please
Chapter 20 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 20 - Does the apical membrane of a collecting duct cell...Ch. 20 - Prob. 2CCCh. 20 - A scientist monitoring the activity of...Ch. 20 - If vasopressin increases water reabsorption by the...Ch. 20 - Experiments suggest that there are peripheral...Ch. 20 - Prob. 6CCCh. 20 - Prob. 7CCCh. 20 - In Figure 20.9b, what forces cause Na+ and K+ to...Ch. 20 - Prob. 9CCCh. 20 - Laboratory values for ions may be reported as...
Ch. 20 - A man comes to the doctor with high blood...Ch. 20 - Map the pathways through which elevated renin...Ch. 20 - Why is it more efficient to put ACE in the...Ch. 20 - Incorporate the thirst reflex into Figure 20.8.Ch. 20 - CO2+H2OH++HCO3(6) In equation 6, the amount of...Ch. 20 - Why is ATP required for H+ secretion by the H+-K+...Ch. 20 - In hypokalemia, the intercalated cells of the...Ch. 20 - What is an electrolyte? Name five electrolytes...Ch. 20 - Prob. 2RQCh. 20 - Prob. 3RQCh. 20 - List the receptors that regulate osmolarity, blood...Ch. 20 - How do the two limbs of the loop of Henle differ...Ch. 20 - Prob. 6RQCh. 20 - Prob. 7RQCh. 20 - Prob. 8RQCh. 20 - Write out the words for the following...Ch. 20 - Prob. 10RQCh. 20 - Prob. 11RQCh. 20 - Prob. 12RQCh. 20 - Prob. 13RQCh. 20 - Prob. 14RQCh. 20 - Prob. 15RQCh. 20 - When ventilation increases, what happens to...Ch. 20 - Prob. 17RQCh. 20 - Figures 20.15 and 20.18a show the respiratory and...Ch. 20 - Explain how the loop of Henle and vasa recta work...Ch. 20 - Prob. 20RQCh. 20 - Prob. 21RQCh. 20 - Name the four main compensatory mechanisms for...Ch. 20 - Prob. 23RQCh. 20 - Compare and contrast the terms in each set: a....Ch. 20 - Prob. 25RQCh. 20 - Prob. 26RQCh. 20 - Prob. 27RQCh. 20 - Hannah, a 31-year-old woman, decided to have...Ch. 20 - Prob. 29RQCh. 20 - The Henderson-Hasselbalch equation is a...Ch. 20 - Prob. 31RQCh. 20 - Osmotic diuresis refers to the loss of additional...
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- Calculate the [OH-] and the pH of a solution with an [H] = 5.6 x 10-¹0 M at 25 °C. [OH-] = pH = Calculate the [H*] and the pH of a solution with an [OH-] = 0.059 M at 25 °C. pH = Calculate the [H] and the [OH] of a solution with a pH = 2.70 at 25 °C. [H*] = Marrow_forwardFor the equilibrium below, pKa1 = 7.9 and pKa2 = 10.1. At what pH is [HA-] equal to [A2-]? H2A <=> H+ + HA- <=> 2H+ + A2- a) pH = 7.9 b) pH < 7.9 c) pH > 10.1 d) pH = 10.1arrow_forwardBuffers are aqueous solutions that tend to resist changes in pH when small amounts of strong acid (H+) or base (OH-) are added. Compare the changes in the pH of the resulting solution when you add 0.1 M NaOH in (a) distilled water and (b) bicarbonate solution. A) (a) and (b) solutions will have the same pH. B) pH change in (b) will be higher than in (a). C) No changes in pH of both solutions. D) pH change in (a) will be higher than in (b).arrow_forward
- Bicarbonate/carbonic acid buffer in blood is an example of an equilibrium reaction that is meant to be very insensitive to change. How does the bicarbonate/carbonic acid buffer re-establish equilibrium if acidity increases? How does the bicarbonate/carbonic acid buffer re-establish equilibrium if alkalinity increases?arrow_forwardWrite the equations for reaction of this buffer with a small amount of HNO3 and with a small amount of NaOH.arrow_forwardRefer to chemical equation shown here to explain why carbon dioxide dissolved in water acts as a buffer. H2O+CO2<>H2CO3<>H++HCO3arrow_forward
- Calculate the mole ratio of sodium acetate and acetic acid needed to make a buffer of p H 4.68 ( see Table 15.1 for Ka values or Appendices G and H for Ka and Ksp values respectively.arrow_forwardAg+ , K+ , Pb2+, Zn2+ : Classify the Bronsted-Lowry acidity of these cationsarrow_forwardFrom the Henderson-Hasselbach equation, calculate the ratio of dihydrogen phosphate (H2PO4-) and monohydrogen phosphate (HPO4-2) components required to produce buffer solution with1. pH 6.22. pH 7.23. pH 8.2arrow_forward
- Write balanced ionic equations and net ionic equations forthe following reactions: (a) Aqueous sulfuric acid is neutralized by aqueous potassiumhydroxide.(b) Aqueous magnesium hydroxide is neutralized by aqueoushydrochloric acid.arrow_forwardAcetic acid is the principal ingredient in vinegar as shown; that's why it tastes sour. At equilibrium, a solution contains [CH3CO2H] = 0.0787 M and [H3 O+] = [CH3 CO2−] = 0.00118 M. What is the value of Ka for acetic acid?arrow_forward19. 150 mCi of D2O is injected in your patient. 10% of D2O is excreted. The concentration of D2O in a plasma sample is found to be 0.4 mCi/100 ml. What is your patient' s Total Body Water in L? 20. the diffusion coefficient states that: A. the larger the molecular radius of the solute, the slower the rate of diffusion B. the more viscous the solution, the slower the rate of diffusion C. the smaller the molecular radius of the solute, the faster the rate of diffusion D. the more viscous the solution, the faster the rate of diffusion E. the larger the molecular radius of the solute, the faster the rate of diffusion 21 You are experimenting on diffusion rates in lab. Down the center of Beaker A is a semipermeable membrane. On one side of the membrane in Beaker A is a 100mM solution of CaCl2; on the other side is pure water.Down the center of Beaker B is a semipermeable membrane. On one side of the membrane in Beaker B is a 10mM solution…arrow_forward
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