Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 2, Problem 10TYU
Summary Introduction
Introduction: The pH is defined as the negative logarithm of hydrogen ion concentration of a solution that is expressed in moles per liter. The neutral solutions have the same concentration of hydrogen ion [H+] and hydroxide ion [OH-]. The neutral solution (Hydrogen ion concentration 10-7 mol/L) has a pH of seven. The pH value of base (alkali) is greater than 7. The pH value of acid is less than 7.
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Test your knowledge and understanding with the following questions.
1. Choose the one answer that fits best. One mole is
a. A baker's dozen
b. One molecule of a given substance
c. 6.022 x 1023
d. The concentration of a 1 M solution
e. The weight of a molecule of a given substance
2. Short answer. Sort the following units from largest to smallest: nm, um, km, cm, mm, m.
3. Short answer. 1 centimeter (cm) is 0.01m, expressed exponentially, 102 m.
Express exponentially, and using the correct metric prefixes (check the very first page of your worksheets for
prefixes):
1 kilogram is how many grams?
1 millimeter is how many centimeters?
10 milliliters is how many liters?
4. Short answer. The average diameter of a red blood cells is 6 um. What is that in mm?
5. Short answer. A patient is being prepped for surgery and the anesthesiologist is determining how much
anesthesia to give the patient. If the patient weighs 84kg, and the recommended dose is 1.6mL per kg, how much
will be needed?
6.…
2.3 INSTRUCTIONS:
- Do not copy answers from Google or Bartleby. A plagiarism checker will be used.
- Answer all questions as because they are connected.
QUESTION:
Why are fats and waxes solid at room temperature, whereas oils are liquids? EXPLAIN.
With your answer to that question in mind, how do you think the phospholipids of coldwater fish compare to warm water fish? EXPLAIN.
Would you expect to see differences in the amounts of saturated and unsaturated fatty acids? EXPLAIN.
In your own words, list and define 3 properties of water that make it essential to life.
Chapter 2 Solutions
Biology (MindTap Course List)
Ch. 2.1 - Prob. 1LOCh. 2.1 - Compare the physical properties (mass and charge)...Ch. 2.1 - Prob. 3LOCh. 2.1 - Prob. 1CCh. 2.1 - What is a radioisotope? What are some ways...Ch. 2.1 - Prob. 3CCh. 2.2 - Prob. 4LOCh. 2.2 - Prob. 5LOCh. 2.2 - Prob. 6LOCh. 2.2 - What enables a radioisotope to substitute for an...
Ch. 2.2 - Which kind of chemical formula provides the most...Ch. 2.2 - Prob. 3CCh. 2.3 - Distinguish among covalent bonds, ionic bonds,...Ch. 2.3 - Prob. 1CCh. 2.3 - Prob. 2CCh. 2.3 - Prob. 3CCh. 2.3 - Prob. 4CCh. 2.4 - Prob. 8LOCh. 2.4 - In what form is energy transferred in a redox...Ch. 2.5 - Explain how hydrogen bonds between adjacent water...Ch. 2.5 - Prob. 1CCh. 2.5 - What are some properties of water that result from...Ch. 2.5 - How can weak forces, such as hydrogen bonds, have...Ch. 2.6 - Contrast acids and bases, and discuss their...Ch. 2.6 - Convert the hydrogen ion concentration (moles per...Ch. 2.6 - Describe the composition of a salt and explain the...Ch. 2.6 - Prob. 1CCh. 2.6 - Prob. 2CCh. 2.6 - Prob. 3CCh. 2.6 - Prob. 4CCh. 2 - Test Your Understanding Know and Comprehend 1....Ch. 2 - Prob. 2TYUCh. 2 - Prob. 3TYUCh. 2 - Test Your Understanding Know and Comprehend 4. 11H...Ch. 2 - Test Your Understanding Know and Comprehend 5. The...Ch. 2 - Test Your Understanding Know and Comprehend 6....Ch. 2 - Test Your Understanding Know and Comprehend 7. In...Ch. 2 - Test Your Understanding Know and Comprehend 8....Ch. 2 - Prob. 9TYUCh. 2 - Prob. 10TYUCh. 2 - Test Your Understanding Know and Comprehend 11....Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYUCh. 2 - Test Your Understanding Apply and Analyze 14....Ch. 2 - Prob. 15TYUCh. 2 - Prob. 16TYUCh. 2 - Test Your Understanding Evaluate and Synthesize...
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- Test Your Understanding Know and Comprehend 11. Which of the following cannot function as a buffer? (a) phosphoric acid, a weak acid (b) sodium hydroxide, a strong base (c) sodium chloride, a salt that ionizes completely (d) a and c (e) b and carrow_forwardTest Your Understanding Know and Comprehend 6. Which of the following bonds and properties are correctly matched? (a) ionic bonds; are strong only if the participating ions are hydrated (b) hydrogen bonds; are responsible for bonding oxygen and hydrogen to form a single water molecule (c) polar covalent bonds; can occur between two atoms of the same element (d) covalent bonds; may be single, double, or triple (e) hydrogen bonds; are stronger than covalent bondsarrow_forwardTest Your Understanding Know and Comprehend 4. 11H and 13H have (a) different chemical properties because they have different atomic numbers (b) the same chemical properties because they have the same number of valence electrons (c) different chemical properties because they differ in their number of protons and electrons (d) the same chemical properties because they have the same atomic mass (e) the same chemical properties because they have the same number of protons, electrons, and neutronsarrow_forward
- Test Your Understanding Know and Comprehend 8. Water has a high specific heat because (a) hydrogen bonds must be broken to raise its temperature (b) hydrogen bonds must be formed to raise its temperature (c) it is a poor insulator (d) it has low density considering the size of the molecule (e) it can ionizearrow_forwardTest Your Understanding Know and Comprehend 1. Which of the following elements is mismatched with its properties or function? (a) carbonforms the backbone of organic compounds (b) nitrogencomponent of proteins (c) hydrogenvery electronegative (d) oxygencan participate in hydrogen bonding (e) all of the above are correctly matchedarrow_forwardA solution with a pH of 2 has a hydrogen ion concentration that is _______________ the hydrogen ion concentration of a solution with a pH of 4. (a) 1/2 (b) 1/100 (c) 2 times (d) 10 times (e) 100 timesarrow_forward
- VISUAL SKILLS Look at Figure 3.2 and explain whythe central water molecule can hydrogen bond to four(rather than three or five) other water molecules.arrow_forwardSupply the missing item/s 6. are substances that can be attracted to water. 7. 8. interactions exhibited by water due to its polarity. .9. are the molecular Lare substances which cannot be dissolved in water 10. is the property of water that makes it capable of regulating body temperature.arrow_forward1. What percent of the total body water is contained within the interstitial fluid? Round your answer to nearest whole number, do not report a decimal (35 not 35.0), do not put the % symbol after the number 2. Identify the analogous protein molecule to a carbohydrate monosaccharide. 3. Identify a chemical reaction type that is both anabolic and endergonic.arrow_forward
- BackgrouHd Layout 2 8 Property 5: Water expands when it freezes. liquid solid Water is the only liquid that becomes less dense when it freezes. Density is the amount of mass per unit volume that an object has. In other words, density is how crowded together the molecules are. Look at the pictures of the molecules in liquid water compared to solid water (ice). Using this information and the terms density and molecules answer this question: Why can fish survive in a pond during the winter? Add text here ENG 6 US 5/arrow_forward15. Some molecules that are covalently bonded do not have a difference in charge across the mol- ecule. These molecules are referred to as nonpolar. What arrangement of electrons would result in a nonpolar molecule? 16. Some examples of nonpolar molecules include fats, oils, and waxes. How do these substances interact with water? 17. What prediction would you make about why oil and water interact in the way described above?arrow_forward27) Draw a model that compares a solid with high density to a liquid with lower density. Be sure to label the images you draw and show the models on a molecular level (in other words you need to draw molecules or something that represents molecules).arrow_forward
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