Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 20.7, Problem 16CC
In equation 6, the amount of
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Which of the equations below best represents how excess acid in the blood plasma
can be removed in the lungs by breathing?
H+
(aq)
+ 0.
2(g)
OH + H₂ CO
(aq)
OH+ + O
(aq)
2(g)
→ H, CO.
H + O₂
(aq)
2(g)
3(aq)
3(aq)
→ H₂O(g) + CO2(g)
+ CO2(g)
→ H₂O
H, CO3(aq) → HCO,
OH t + HCO3(aq) → H₂ CO3(g) → H₂O(g)
(aq)
→ H, CO3(aq)
3 (aq)
+ CO2(g)
H₂O(g) + CO2(g)
At what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?
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
Chapter 20 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 20.2 - Does the apical membrane of a collecting duct cell...Ch. 20.2 - Prob. 2CCCh. 20.2 - A scientist monitoring the activity of...Ch. 20.2 - If vasopressin increases water reabsorption by the...Ch. 20.2 - Experiments suggest that there are peripheral...Ch. 20.2 - Prob. 6CCCh. 20.2 - Prob. 7CCCh. 20.3 - In Figure 20.9b, what forces cause Na+ and K+ to...Ch. 20.3 - Prob. 9CCCh. 20.3 - Laboratory values for ions may be reported as...
Ch. 20.3 - A man comes to the doctor with high blood...Ch. 20.3 - Map the pathways through which elevated renin...Ch. 20.3 - Why is it more efficient to put ACE in the...Ch. 20.5 - Incorporate the thirst reflex into Figure 20.8.Ch. 20.6 - Map the pathway that begins with renal artery...Ch. 20.7 - CO2+H2OH++HCO3(6) In equation 6, the amount of...Ch. 20.7 - Why is ATP required for H+ secretion by the H+-K+...Ch. 20.7 - 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 - Prob. 30RQCh. 20 - The Henderson-Hasselbalch equation is a...Ch. 20 - Hyperglycemia in a diabetic patient leads to...Ch. 20 - Osmotic diuresis refers to the loss of additional...
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- 4.2 (b) Using the equation below, explain what happens to maintain the pH of the solution: A (aq) H(aq) HA (aq) (i) when an acid is added (ii) when a base is added (iii) Give one example each of a buffer in both living and non-living systems +arrow_forwardCarbon dioxide is dissolved in blood (pH 7.4) to form a mixture of carbonic acid and bicarbonate. Neglecting free CO2, what fraction will be present as carbonic acid? Would you expect a significant amount of carbonate (CO32-)?arrow_forwardAt 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 8.95arrow_forward
- 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_forwardIn a 0.1000 M acetic acid solution at 25 degrees celsius , the acid ionizes to the extent of about 1.34 %. Since each molecule of acetic acid which ionizes produces 1 H+ ion and 1 C2H3O2- ion, the concentration in the solution are: HC2H3O2 < -----------> H+ + C2H3O2-arrow_forwardCalculate the hydrogen ion concentration, [H+], for each of the following materials: (a) Blood plasma, pH 7.4 (b) Orange juice, pH 3.5 (c) Human urine, pH 6.2 (d) Household ammonia, pH 11.5 (e) Gastric juice, pH 1.8arrow_forward
- For 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_forwardCarbon dioxide is dissolved in blood (pH 7.4) to form a mixture of carbonicacid and bicarbonate. Neglecting free CO2, what fraction will be present as carbonic acid? Would you expect a significant amount of carbonate (CO32-)?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_forwardFor the equilibrium below, pKa₁ = 7.9 and pKa2 = 10.1. At what pH is [HA] equal to [A²-]? H₂A H+ + HA 2H+ + A²- OpH = 7.9 pH 10.1 pH = 10.1arrow_forward
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