Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 2, Problem 19CYU
To minimize the sharp pH shift that occurs when a strong acid is added to a solution, is it better to add a weak base or a strong base? Why?
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Chapter 2 Solutions
Anatomy & Physiology
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Ch. 2 - Oxygen (8O) and argon (18A) are both gases. Oxygen...Ch. 2 - Assume imaginary compound XY has a polar covalent...Ch. 2 - Which reaction type-synthesis, decomposition, or...Ch. 2 - Why are many reactions that occur in living...Ch. 2 - What specific name is given to decomposition...Ch. 2 - Water makes up 6080% of living matter. What...Ch. 2 - Salts are electrolytes. What does that mean?Ch. 2 - Which ion is responsible for increased acidity?Ch. 2 - To minimize the sharp pH shift that occurs when a...Ch. 2 - Prob. 23CYUCh. 2 - What are the monomers of carbohydrates called?...Ch. 2 - What is the animal form of stored carbohydrate...Ch. 2 - Prob. 22CYUCh. 2 - What does the name amino acid tell you about the...Ch. 2 - What is the primary structure of proteins?Ch. 2 - What are the two types of secondary structure in...Ch. 2 - What is the main event that molecular chaperones...Ch. 2 - How do enzymes reduce the amount of activation...Ch. 2 - How do DNA and RNA differ in the bases and sugars...Ch. 2 - What are two important roles of DNA?Ch. 2 - Glucose is an energy-rich molecule. So why do body...Ch. 2 - What change occurs in ATP when it releases energy?Ch. 2 - Which of the following forms of energy is the...Ch. 2 - All of the following are examples of the four...Ch. 2 - The mass number of an atom is (a) equal to the...Ch. 2 - A deficiency in this element can be expected to...Ch. 2 - Which set of terms best describes a proton? (a)...Ch. 2 - The subatomic particles responsible for the...Ch. 2 - Prob. 7MCCh. 2 - Which of the following does not describe a...Ch. 2 - In a beaker of water, the water-water bonds can...Ch. 2 - When a pair of electrons is shared between two...Ch. 2 - Molecules formed when electrons are shared...Ch. 2 - Which of the following covalently bonded molecules...Ch. 2 - Prob. 13MCCh. 2 - Factors that accelerate the rate of chemical...Ch. 2 - Prob. 15MCCh. 2 - Waters importance to living systems reflects (a)...Ch. 2 - Acids (a) release hydroxyl ions when dissolved in...Ch. 2 - Prob. 18MCCh. 2 - Prob. 19MCCh. 2 - A chemical has an amine group and an organic acid...Ch. 2 - Prob. 21MCCh. 2 - Enzymes are organic catalysts that (a) alter the...Ch. 2 - Define or describe energy, and explain the...Ch. 2 - Some energy is lost in energy energy conversion....Ch. 2 - Provide the atomic symbol for each of the...Ch. 2 - Consider the following information about three...Ch. 2 - How many moles of aspirin, C9H8O4, are in a bottle...Ch. 2 - Given the following types of atoms, decide which...Ch. 2 - What are hydrogen bonds and how are they important...Ch. 2 - Prob. 30SAQCh. 2 - Differentiate clearly between primary, secondary,...Ch. 2 - Prob. 32SAQCh. 2 - Describe the mechanism of enzyme action.Ch. 2 - Explain the importance of molecular chaperones.Ch. 2 - Explain why, if you pour water into a glass very...
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- You have given two proteins with a pI of 4.5 and pI of 7.7? Using an anion-exchange column, how can these two proteins be separated. What buffer could you prepare?arrow_forwardWe usually say that a perfect buffer has its pH equal to its pKa. Give an example of a situation in which it would be advantageous to have a buffer with a pH 0.5 unit higher than its pKa.arrow_forwardDefine the following terms:a. acidb. basea. weak acidd. weak basee. conjugate basearrow_forward
- What is the pH of a solution of 100 ml of 0.01 M H3PO4 and 100 ml of 0.01 M Na3PO4?arrow_forwardHow would you prepare 3L of a basic buffer having a pH of 8.6 where the concentration of base is 0.1N?arrow_forwardI want to make a buffer solution containing 1 M glycene pH = 10 (Na+), 1 mM ZnCl2 , 1 mM MgCl2. I have the stock solutions 1 M glycene, 1 M MgCl2, 1 M ZnCl2, and 10 M NaOH. My final volume of buffer solution needs to be 250ml. how much (in ml) of each solution should i put into my buffer?arrow_forward
- What is the pH of a buffer of a buffer system that contains a weak acid of .19 M and conjugate base of .12 M ? The Ka of the acid is 5.6x 10 -6 pH= pKa + log ( [A- ]/[HA]) please show me step by steparrow_forwardThe pH scale is valid only for water. Why is this so?arrow_forwardIt is possible to make a buffer that functions well near pH7 using citric acid, which contains only carboxylate groups. Explain.arrow_forward
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