Introductory Chemistry: A Foundation
9th Edition
ISBN: 9781337399425
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 15, Problem 5QAP
n Chapter 14. you learned that the bonding forces in ionic solids such as NaCl are very strong, yet many ionic solids dissolve readily in water. Explain.
Expert Solution & Answer
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Ocean water is 3.5 % NaCl by mass. How much NaCl will be obtained from a 266 mL sample
of sea water ?
Note: density of sea water is 1.029 g/mL
9.6g
10.5 g
2.3g
3.1 g
16. Two students were having a disagreement about whether NaNO3 mixed with water results in a physical
or chemical change. Student A claims it is a physical change because no new substance is formed and
upon evaporation of the water, NaNO3 could be recovered since only intermolecular forces change during
dissolution. Student B claims it is a chemical change because the ionic bonds in NaNO3, which are
intramolecular, are broken by the water. This forms new ions, Nat and NO5, that affect conductivity.
What would your group tell Students A and B?
128
CHAPTER 5
3. A chart of vapor pressure information at different temperatures for various liquids is given below.
Vapor Pressure (torr)
Temperature
Water
Ethyl Alcohol
Carbon Tetrachloride
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24
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12
34
0.
25
116
09
224
95
316
75
294
675
731
760
1723
1486
The questions below refer to the following experiment: three flasks, each containing one of the three
liquids listed in the table are hooked to a vacuum pump. The pressure in each flask is reduced to 50 torr
and the temperature of each flask is maintained at 25°C.
blano (b)
(a) Under these conditions, which liquid(s) would you observe boiling? Explain.
(b) Explain why, if both liquids are maintained at 25°C, the vapor pressure of CCI, is higher than the
vapor pressure of C,H,OH. Refer to both molecules in your discussion.
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Chapter 15 Solutions
Introductory Chemistry: A Foundation
Ch. 15.3 - ercise 15.1 A 1 35-g sample of seawater is...Ch. 15.3 - Prob. 15.2SCCh. 15.4 - ercise 15.3 Calculate the molarity of a solution...Ch. 15.4 - ercise 15.4 Give the concentrations of the ions in...Ch. 15.4 - ercise 15.5 Calculate the number of moles of Cl...Ch. 15.4 - ercise 15.6 Formalin is an aqueous solution of...Ch. 15.5 - ercise 15.7 What volume of 12 M HCI must be taken...Ch. 15.6 - at if all ionic solids were soluble in water? How...Ch. 15.6 - Exercise 15.8 When aqueous solutions of Na2SO3 and...Ch. 15.7 - ercise 15.9 Calculate the volume of 0.10 M HNO3...
Ch. 15.8 - ercise 15.10 Calculate the normality of a solution...Ch. 15.8 - Prob. 15.11SCCh. 15 - ou have a solution of table sail in water. What...Ch. 15 - onsider a sugar solution (solution A) with...Ch. 15 - You need to make 150.0 mL of a 0.10 M NaCI...Ch. 15 - ou have two solutions containing solute A. To...Ch. 15 - m>5. Which of the following do you need to know to...Ch. 15 - onsider separate aqueous solutions of HCI and...Ch. 15 - Prob. 7ALQCh. 15 - an one solution have a greater concentration than...Ch. 15 - Prob. 9ALQCh. 15 - You have equal masses of different solutes...Ch. 15 - Which of the following solutions contains the...Ch. 15 - As with all quantitative problems in chemistry,...Ch. 15 - Prob. 13ALQCh. 15 - Prob. 14ALQCh. 15 - solution is a homogeneous mixture. Can you give an...Ch. 15 - ow do the properties of a nonhomogeneous...Ch. 15 - Prob. 3QAPCh. 15 - Prob. 4QAPCh. 15 - n Chapter 14. you learned that the bonding forces...Ch. 15 - n oil spill spreads out on the surface of water,...Ch. 15 - . The “Chemistry in Focus” segment Water, Water...Ch. 15 - Prob. 8QAPCh. 15 - Prob. 9QAPCh. 15 - Prob. 10QAPCh. 15 - A solution is a homogeneous mixture and, unlike a...Ch. 15 - Prob. 12QAPCh. 15 - How do we define the mass percent composition of a...Ch. 15 - Prob. 14QAPCh. 15 - Calculate the percent by mass of solute in each of...Ch. 15 - Calculate the percent by mass of solute in each of...Ch. 15 - Prob. 17QAPCh. 15 - Prob. 18QAPCh. 15 - A sample of an iron alloy contains 92.1 g Fe. 2.59...Ch. 15 - Consider the iron alloy described in Question 19....Ch. 15 - An aqueous solution is to be prepared that will be...Ch. 15 - Prob. 22QAPCh. 15 - A solution is to be prepared that will be 4.50% by...Ch. 15 - Prob. 24QAPCh. 15 - Prob. 25QAPCh. 15 - Hydrogen peroxide solutions sold in drugstores as...Ch. 15 - Prob. 27QAPCh. 15 - A solvent sold for use in the laboratory contains...Ch. 15 - Prob. 29QAPCh. 15 - A solution labeled “0.25 M AICl3” would contain...Ch. 15 - What is a standard solution? Describe the steps...Ch. 15 - Prob. 32QAPCh. 15 - 33. For each of the following solutions, the...Ch. 15 - 34. For each of the following solutions, the...Ch. 15 - 35. For each of the following solutions, the mass...Ch. 15 - Prob. 36QAPCh. 15 - 37. A laboratory assistant needs to prepare 225 mL...Ch. 15 - Prob. 38QAPCh. 15 - 39. Standard solutions of calcium ion used to test...Ch. 15 - Prob. 40QAPCh. 15 - 41. If 42.5 g of NaOH is dissolved in water and...Ch. 15 - 42. Standard silver nitrate solutions are used in...Ch. 15 - Prob. 43QAPCh. 15 - Prob. 44QAPCh. 15 - Prob. 45QAPCh. 15 - Prob. 46QAPCh. 15 - Prob. 47QAPCh. 15 - 48. What mass of solute is present in 225 mL of...Ch. 15 - Prob. 49QAPCh. 15 - Prob. 50QAPCh. 15 - Prob. 51QAPCh. 15 - 52. What volume of a 0.300 M CaCl2 solution is...Ch. 15 - Prob. 53QAPCh. 15 - Prob. 54QAPCh. 15 - Prob. 55QAPCh. 15 - Prob. 56QAPCh. 15 - Prob. 57QAPCh. 15 - Prob. 58QAPCh. 15 - Prob. 59QAPCh. 15 - 60. Suppose 325 in L of 0.150 M NaOH is needed for...Ch. 15 - 61. How much water must be added w 500. mL of...Ch. 15 - Prob. 62QAPCh. 15 - Prob. 63QAPCh. 15 - 64. Generally only the carbonates of the Group I...Ch. 15 - 65. Many metal ions are precipitated from solution...Ch. 15 - 66. Calcium oxalate, CaCO4, is very insoluble in...Ch. 15 - 67. When aqueous solutions of lead(II) ion are...Ch. 15 - 68. Aluminum ion may be precipitated from aqueous...Ch. 15 - 69. What volume of 0.502 M NaOH solution would be...Ch. 15 - 70. What volume of a 0.500 M NaOH solution would...Ch. 15 - 71. A sample of sodium hydrogen carbonate solid...Ch. 15 - 72. The total acidity in water samples can be...Ch. 15 - Prob. 73QAPCh. 15 - Prob. 74QAPCh. 15 - Prob. 75QAPCh. 15 - Prob. 76QAPCh. 15 - 77. Explain why the equivalent weight of H2SO4 is...Ch. 15 - Prob. 78QAPCh. 15 - Prob. 79QAPCh. 15 - Prob. 80QAPCh. 15 - Prob. 81QAPCh. 15 - Prob. 82QAPCh. 15 - Prob. 83QAPCh. 15 - Prob. 84QAPCh. 15 - 85. How many milliliters of 0.50 N NaOH are...Ch. 15 - 86. What volume of 0.104 N H2SO4is required to...Ch. 15 - 87. What volume of 0.151 N NaOH is required to...Ch. 15 - Prob. 88QAPCh. 15 - 89. A mixture is prepared by mixing 50.0 g of...Ch. 15 - Prob. 90APCh. 15 - 91. Suppose 50.0 mL of 0.250 M CoCl2 solution is...Ch. 15 - Prob. 92APCh. 15 - 93. Calculate the mass of AgCl formed, and the...Ch. 15 - 94. Baking soda (sodium hydrogen carbonate....Ch. 15 - 95. Many metal ions form insoluble sulfide...Ch. 15 - Prob. 96APCh. 15 - Prob. 97APCh. 15 - Prob. 98APCh. 15 - Prob. 99APCh. 15 - Prob. 100APCh. 15 - Prob. 101APCh. 15 - You mix 225.0 mL of a 2.5 M HCl solution with...Ch. 15 - A solution is 0.1% by mass calcium chloride....Ch. 15 - Prob. 104APCh. 15 - Prob. 105APCh. 15 - A certain grade of steel is made by dissolving 5.0...Ch. 15 - Prob. 107APCh. 15 - Prob. 108APCh. 15 - Prob. 109APCh. 15 - Prob. 110APCh. 15 - How many moles of each ion are present in 11.7 mL...Ch. 15 - Prob. 112APCh. 15 - Prob. 113APCh. 15 - Prob. 114APCh. 15 - Concentrated hydrochloric acid is made by pumping...Ch. 15 - Prob. 116APCh. 15 - Prob. 117APCh. 15 - Prob. 118APCh. 15 - If 10. g of AgNO3 is available, what volume of...Ch. 15 - Prob. 120APCh. 15 - Calcium carbonate, CaCO3, can be obtained in a...Ch. 15 - Prob. 122APCh. 15 - How many milliliters of 18.0 M H2SO4 are required...Ch. 15 - Consider the reaction between 1.0 L of 3.0 M...Ch. 15 - When 10. L of water is added to 3.0 L of 6.0 M...Ch. 15 - Prob. 126APCh. 15 - How many grams of Ba (NO3)2are required to...Ch. 15 - Prob. 128APCh. 15 - What volume of 0.250 M HCI is required to...Ch. 15 - Prob. 130APCh. 15 - Prob. 131APCh. 15 - Prob. 132APCh. 15 - How many milliliters of 0.105 M NaOH are required...Ch. 15 - Prob. 134APCh. 15 - Prob. 135APCh. 15 - Consider the reaction between 0.156 L of 0.105 M...Ch. 15 - Prob. 137CPCh. 15 - A solution is prepared by dissolving 0.6706 g of...Ch. 15 - What volume of 0.100 M NaOH is required to...Ch. 15 - Prob. 140CPCh. 15 - A 450.O-mL sample of a 0.257 M solution of silver...Ch. 15 - A 50.00-mL sample of aqueous Ca(OH)2 requires...Ch. 15 - When organic compounds containing sulfur are...Ch. 15 - Prob. 1CRCh. 15 - Prob. 2CRCh. 15 - Prob. 3CRCh. 15 - Prob. 4CRCh. 15 - Prob. 5CRCh. 15 - Prob. 6CRCh. 15 - Prob. 7CRCh. 15 - Prob. 8CRCh. 15 - Prob. 9CRCh. 15 - Prob. 10CRCh. 15 - Prob. 11CRCh. 15 - Without consulting your textbook, list and explain...Ch. 15 - What does “STP’ stand for? What conditions...Ch. 15 - Prob. 14CRCh. 15 - Prob. 15CRCh. 15 - Define the normal boiling point of water. Why does...Ch. 15 - Are changes in state physical or chemical changes?...Ch. 15 - Prob. 18CRCh. 15 - Prob. 19CRCh. 15 - Prob. 20CRCh. 15 - Define a crystalline solid. Describe in detail...Ch. 15 - Define the bonding that exists in metals and how...Ch. 15 - Prob. 23CRCh. 15 - Define a saturated solution. Does saturated mean...Ch. 15 - Prob. 25CRCh. 15 - When a solution is diluted by adding additional...Ch. 15 - Prob. 27CRCh. 15 - Prob. 28CRCh. 15 - Prob. 29CRCh. 15 - Prob. 30CRCh. 15 - Prob. 31CRCh. 15 - When calcium carbonate is heated strongly, it...Ch. 15 - If an electric current is passed through molten...Ch. 15 - Prob. 34CRCh. 15 - Prob. 35CRCh. 15 - Prob. 36CRCh. 15 - Prob. 37CRCh. 15 - Prob. 38CRCh. 15 - Prob. 39CRCh. 15 - Prob. 40CRCh. 15 - Prob. 41CRCh. 15 - 42. a. Fill in the following table as if it is a...
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY