Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 3, Problem 9TYK
Summary Introduction
Introduction: Solubility is the tendency of a solute to get dissolved in a solvent. A water molecule is shaped like a ‘V’ and consists of an oxygen atom and two hydrogen atoms. Oxygen is more electronegative than hydrogen, thus the shared electrons in the O-H covalent bond are more attracted by the oxygen atom.
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Students have asked these similar questions
A solution that conducts electricity must contain
Select one:
a. Hydrophobic molecules
b. Polar molecules
c. Ions
which of the following solvents would NOT dissolve lipids and why?
a. Hot ethanol - because this solvent is polar
b. Chloroform - because this solvent is polar
c. Water - because this solvent is polar
d. hexane - because this solvent is non-polar
Consider molecule #1. How would these molecules arrange themselves when added to water?
A. Would dissolve in water
B. Would form a micelle
C. Would form a bilayer
Chapter 3 Solutions
Study Guide for Campbell Biology
Ch. 3 - Draw the four water molecules that can...Ch. 3 - The following concept map is one way to show how...Ch. 3 - Prob. 3IQCh. 3 - Complete the following table to review your...Ch. 3 - Prob. 5IQCh. 3 - a. Add to the formula in Interactive Question 3.5...Ch. 3 - Fill in the following table, which summarizes the...Ch. 3 - To become proficient in the use of the concepts...Ch. 3 - Each water molecule is capable of forming a. three...Ch. 3 - The properties of water make it an ideal and...
Ch. 3 - What accounts for the movement of water up the...Ch. 3 - Climates tend to be moderate near large bodies of...Ch. 3 - You have three flasks containing 100 mL of...Ch. 3 - A burn from steam at 100C is more severe than a...Ch. 3 - Evaporative cooling is a result of a. the release...Ch. 3 - Prob. 8TYKCh. 3 - Prob. 9TYKCh. 3 - Prob. 10TYKCh. 3 - Prob. 11TYKCh. 3 - Prob. 12TYKCh. 3 - Prob. 13TYKCh. 3 - Consider two solutions labeled A and B. Solution A...Ch. 3 - What does a buffer do? a. moderates pH changes b....Ch. 3 - Prob. 16TYKCh. 3 - Prob. 17TYKCh. 3 - Prob. 18TYK
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- What is true about lipids? A. They are polar and therefore soluble in polar solvents B They are polar and therefore soluble in nonpolar solvents C. They are nonpolar solvents D. They are nonpolar and therefore soluble in polar solventsarrow_forwardThis occurs when the cations and anions are attracted to the positive and negative ends of water molecules: A. ionic bonding B. dissociation C. covalent bonding D. hydrogen bondingarrow_forward7) Water molecules are attracted to each other. Discuss the nature of the water molecule and how it is that each water molecule is attracted to neighboring water molecules. (4)arrow_forward
- Molarity is the ratio between: Select one: a. the number of moles of a solute and the volume of a solution b. the mass of a solute and the mass of a solution c. the volume of a solute and the volume of a solution. d. the number of moles of a solute and the mass of a solventarrow_forwardSelect the statements that are TRUE regarding Water. SELECT ALL THAT APPLY A. Water is amphoteric B. Water can be a base C. Water is partially charged D. Water can be an acidarrow_forwardIn a solution of NaCl and water, NaCl is the and water isthe .a. acid, baseb. base, acid c. solute, solventd. solvent, solutearrow_forward
- What is the definition of solute concentration? A. The total amount of solute inside a cell B. The total amount of solution inside and outside a cell C. The total amount of solvent in a solution D. The total amount of solute dissolved in a solventarrow_forwardCompounds having an affi nity for water are said to bea. cohesive. c. hydrophobic.b. hydrophilic. d. adhesivearrow_forwardWhich of the following statements best explains the insolubility of lipids in water? a. The structure of lipids includes hydrophilic molecules. b. The polar portion of lipids is much larger than the nonpolar portion. c. The polar portion of lipids is much smaller than the nonpolar portion. d. The polar and nonpolar portions of lipids are of the same size.arrow_forward
- Which of the following statements is true? a. Acids and bases cannot mix together. b. Acids and bases will neutralize each other. c. Acids, but not bases, can change the pH of a solution. d. Acids donate hydroxide ions (OH–); bases donate hydrogen ions (H+).arrow_forwardWhy are water and its derivatives useful as buffers in the cell cytoplasm? A. H3O+ can serve as a strong base. B. H2O can make hydrogen bonds. C. H20 can serve as a strong acid and as a strong base. D. H20 can serve as a weak acid and OH- can serve as a weak base. E. H20 can serve as a weak base and as a weak acid.arrow_forwardThe type of bonding that happens between atoms within a water molecule is which of the following? a. Polar covalent bonding b.ionic bonding c. Non polar covalent bonding d. Hydrogen bondingarrow_forward
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