Homework Answers
Answer 48.:- renal buffer system.
Blood plasma buffer systems contain plasma proteins, phosphate and buffered bicarbonate and carbonic acid. The kidneys help control acid-base equilibrium by excreting hydrogen ions and producing bicarbonate that helps maintain a normal range of blood plasma pH.
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2 pts Question 48 Hydrogen ion elimination and bicarbonate retention are mechanisms used to control the...
Question 1 (1 point) All of the following statements about bicarbonate ions are true EXCEPT: bicarbonate...
Question 1 (1 point) All of the following statements about bicarbonate ions are true EXCEPT: bicarbonate ions are excreted in the urine in proportion to hydrogen ion excretion. the kidneys are capable of synthesizing new bicarbonate ions. O the kidneys can reabsorb bicarbonate ions. O bicarbonate ions act in a chemical buffer system as a weak base. there is many more bicarbonate ions than carbonic acid molecules in the carbonic acid-bicarbonate buffer system. Question 2 (1 point) Which of these...
Explain the role of buffers in the control of blood pH Question In the digestive process,...
Explain the role of buffers in the control of blood pH Question In the digestive process, acids are introduced to the blood more than bases. The bicarbonate buffer system acts to neutralize pH changes in the blood. The respiratory system is involved in the process to help maintain the levels of carbonic acid in the blood. What compound is exhaled in order to reduce the carbonic acid concentration in the blood? Give the answer as a chemical formula. Do not...
Question 69 (1 point) What is the primary role of the carbonic acid - bicarbonate buffer...
Question 69 (1 point) What is the primary role of the carbonic acid - bicarbonate buffer system? O Buffer the pH of the ICF. Regulation of water in between the ECF and ICF. Prevent electrolyte loss from the ICF. O Buffer the pH changes in the blood plasma. Provide the use of amino acids in response to pH changes. Question 59 (1 point) Acid-base balance exists when: there is a balance between the absorption of fluids across the digestive tract...
Explain the role of buffers in the control of blood pH Question In the digestive process, acids are introduced to t...
Explain the role of buffers in the control of blood pH Question In the digestive process, acids are introduced to the blood more than bases. The bicarbonate buffer system acts to neutralize pH changes in the blood. The respiratory system is involved in the process to help maintain the levels of carbonic acid in the blood. What compound is exhaled in order to reduce the carbonic acid concentration in the blood? • Give the answer as a chemical formula, ....
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a...
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a CO2 is eliminated by the lungs b. Neutralizes HCl acid to yield carbonic acid and salt c. H2CO3 formed by neutralization dissociates into H2O and CO2 d. Shifts H+ in and out of cell in exchange for other cations such as potassium and sodium e. Free basic radicals dissociate into ammonia and OH-, which combines with Ho to form water 22. What are characteristics...
Question 2 2 pts Out of the potential unknowns in this experiment, which one would be the best choice to create a buffe...
Question 2 2 pts Out of the potential unknowns in this experiment, which one would be the best choice to create a buffer with a pH of 7.0? O Phenol O Hypobromous acid O Sodium bisulfite O Sodium bisulfate O Bicarbonate ion O Potassium hydrogen phthalate O Formic acid O Ascorbic acid
ASAP please thanks Question 22 2 pts How many molecules of glycerol (C3H803) are present in...
ASAP please thanks
Question 22 2 pts How many molecules of glycerol (C3H803) are present in a 0.5 M glycerol solution? o 1x 1023 O 0.5x6.02 x 1023 92/2 x 6.02 x 1023 0.5x6.02/92 x 1023 6.02 x 1023 Question 19 2 pts Carbonic acid (H2CO3) serves as a buffer in human blood. Carbonic acid is a weak acid that dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). Thus, H2CO3-+ HCO3 + H+. Therefore, a decrease in...
need help ASAP 3 pts Question 2 Acetaminophen is a medication used to treat pain and...
need help ASAP
3 pts Question 2 Acetaminophen is a medication used to treat pain and fever and contains Carbon, Hydrogen, Oxygen, and Nitrogen. Combustion analysis of a 15.0-mg sample of acetaminophen produced 8.10 mg of water. What is the percent by mass of Hydrogen in acetaminophen? 4.4% 12.0% 7.5% 3.0% 6.0% Question 4 1.5 pts AgCl, FeCO3. Hg Bry, and Pbly are compounds that are insoluble in water. Which compound would be more soluble in acidic solution? AgCl only...
Question 22 2 pts When water ionizes, it produces equal amounts of hydrogen and hydroxide ions,...
Question 22 2 pts When water ionizes, it produces equal amounts of hydrogen and hydroxide ions, which can reassociate with each other. Water is thus a(n) acid. base. alkali. base and an acid. buffer. Question 23 2 pts definition ofha ?
Question 1 2 pts Which of the following acids should be used to prepare a buffer...
Question 1 2 pts Which of the following acids should be used to prepare a buffer with a pH of 9.3? OHBrO, K; -2.3 x 100 OCH,CO2H, K, - 1.8 10-5 HCO,H, K, - 1.7 x 104 O HCN, K, = 4,9 x 10:10
Question 1 (1 point) All of the following statements about bicarbonate ions are true EXCEPT: bicarbonate ions are excreted in the urine in proportion to hydrogen ion excretion. the kidneys are capable of synthesizing new bicarbonate ions. O the kidneys can reabsorb bicarbonate ions. O bicarbonate ions act in a chemical buffer system as a weak base. there is many more bicarbonate ions than carbonic acid molecules in the carbonic acid-bicarbonate buffer system. Question 2 (1 point) Which of these...
Explain the role of buffers in the control of blood pH Question In the digestive process, acids are introduced to the blood more than bases. The bicarbonate buffer system acts to neutralize pH changes in the blood. The respiratory system is involved in the process to help maintain the levels of carbonic acid in the blood. What compound is exhaled in order to reduce the carbonic acid concentration in the blood? Give the answer as a chemical formula. Do not...
Question 69 (1 point) What is the primary role of the carbonic acid - bicarbonate buffer system? O Buffer the pH of the ICF. Regulation of water in between the ECF and ICF. Prevent electrolyte loss from the ICF. O Buffer the pH changes in the blood plasma. Provide the use of amino acids in response to pH changes. Question 59 (1 point) Acid-base balance exists when: there is a balance between the absorption of fluids across the digestive tract...
Explain the role of buffers in the control of blood pH Question In the digestive process, acids are introduced to the blood more than bases. The bicarbonate buffer system acts to neutralize pH changes in the blood. The respiratory system is involved in the process to help maintain the levels of carbonic acid in the blood. What compound is exhaled in order to reduce the carbonic acid concentration in the blood? • Give the answer as a chemical formula, ....
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a CO2 is eliminated by the lungs b. Neutralizes HCl acid to yield carbonic acid and salt c. H2CO3 formed by neutralization dissociates into H2O and CO2 d. Shifts H+ in and out of cell in exchange for other cations such as potassium and sodium e. Free basic radicals dissociate into ammonia and OH-, which combines with Ho to form water 22. What are characteristics...
Question 2 2 pts Out of the potential unknowns in this experiment, which one would be the best choice to create a buffer with a pH of 7.0? O Phenol O Hypobromous acid O Sodium bisulfite O Sodium bisulfate O Bicarbonate ion O Potassium hydrogen phthalate O Formic acid O Ascorbic acid
ASAP please thanks
Question 22 2 pts How many molecules of glycerol (C3H803) are present in a 0.5 M glycerol solution? o 1x 1023 O 0.5x6.02 x 1023 92/2 x 6.02 x 1023 0.5x6.02/92 x 1023 6.02 x 1023 Question 19 2 pts Carbonic acid (H2CO3) serves as a buffer in human blood. Carbonic acid is a weak acid that dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). Thus, H2CO3-+ HCO3 + H+. Therefore, a decrease in...
need help ASAP
3 pts Question 2 Acetaminophen is a medication used to treat pain and fever and contains Carbon, Hydrogen, Oxygen, and Nitrogen. Combustion analysis of a 15.0-mg sample of acetaminophen produced 8.10 mg of water. What is the percent by mass of Hydrogen in acetaminophen? 4.4% 12.0% 7.5% 3.0% 6.0% Question 4 1.5 pts AgCl, FeCO3. Hg Bry, and Pbly are compounds that are insoluble in water. Which compound would be more soluble in acidic solution? AgCl only...
Question 22 2 pts When water ionizes, it produces equal amounts of hydrogen and hydroxide ions, which can reassociate with each other. Water is thus a(n) acid. base. alkali. base and an acid. buffer. Question 23 2 pts definition ofha ?
Question 1 2 pts Which of the following acids should be used to prepare a buffer with a pH of 9.3? OHBrO, K; -2.3 x 100 OCH,CO2H, K, - 1.8 10-5 HCO,H, K, - 1.7 x 104 O HCN, K, = 4,9 x 10:10
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