Bundle: Introductory Chemistry: An Active Learning Approach, 6th + LMS Integrated for OWLv2, 4 terms (24 months) Printed Access Card
6th Edition
ISBN: 9781305717428
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 15, Problem 19E
Interpretation Introduction
Interpretation:
The effect of a wetting agent on surface tension and intermolecular attractions of water is to be stated.
Concept introduction:
The tendency of the particles to stick together is known as intermolecular attraction. A liquid has several measurable properties that depend on intermolecular attractions. A sphere has the smallest surface area possible for a drop of any given volume. This tendency towards a minimum surface is the results of surface tension.
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When you open a bottle of soda, bubbles rapidly form and gas fizzes out.
What is the best explanation of this?
Group of answer choices
(a) Gas that was trapped at the top of the bottle between the cap and the surface of the liquid escapes immediately and 'draws' liquid soda as it escapes, creating the illusion of bubbling.
(b) The act of opening the bottle 'dislodges' tiny, nearly invisible gas bubbles that were clinging to the side of the container. They quickly condense into larger bubbles and escape.
(c) Warm air from outside the bottle heats the soda, decreasing the solubility of the CO2 in the soda and causing it to bubble out.
(d) When the bottle is opened, the pressure of CO2 gas above the liquid rapidly drops, which significantly decreases the solubility of CO2 in the soda, causing it to bubble out.
(e) H2CO3 in the soda reacts with water vapor in the air, forming CO2 that quickly bubbles out.
Identify the characteristics of intermolecular interactions including hydrogen bonding, ion-dipole, and the
hydrophobic effect.
A solid line represents a covalent bond and a dotted line represents an intermolecular attraction. Select the image or images
that represent a hydrogen bond.
-o----H-C-
-N----H-O
-
H-H
-C----H-F-
A water molecule has polar O-H bonds that result in regions of partial pasitive charge (hydrogen atoms) and a region of
partial negative charge (oxygen atom with lone pains). Place the Na* and CI ions where H,0 molecules are properly
oriented to form ion-dipole interactions.
Answer Bank
Select the three true statements.
Forming an ordered network of water around hydrophobic molecules increases the entropy of water.
The tendency of hydrophobic molecules to aggregate in water is called the hydrophobic effect.
Placing a hydrophobic molecule into water causes water molecules to orient themselves around it.
Nonpolar molecules that have no polar groups (e.g. hydrocarbons)…
(a) Read the following burette and graduated cylinder and record your answer in the spaces
provided below.
-30
6
-20
7
-10
(i) Burette reading:
(ii) Graduated cylinder reading:
(iii) What is the name of the level of the liquid in the burette which we read?
(iv) Water is a
solvent. Therefore, it dissolves
compounds and
compounds. The H-O-H angle of water is
(v) When ammonia is mixed with water, it
and produces
ions which make the
solution basic.
(vi) Water exists in three
, namely solid, liquid and gas. As a
solid, water is called
and as a gas water is called
(vii) The
for H20(g) and H2O(t) are
-241.85 kJ/mol and -285.85 kJ/mol, respectively.
Therefore, the
of water is +44.00 kJ/mol.
1
(b) An unknown mass of Na3PO4(s) is dissolved in water to form 50.00 mL of solution. This
is Solution A.
Then 10.00 mL of Solution A is diluted with water to 50.00 mL. The final solution is
Solution B.
20.00 mL of Solution B contains 4.408 x 1020 sodium ions.
(NA = 6.022 x 1023 mol-1)
Calculate the mass…
Chapter 15 Solutions
Bundle: Introductory Chemistry: An Active Learning Approach, 6th + LMS Integrated for OWLv2, 4 terms (24 months) Printed Access Card
Ch. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - Prob. 3ECh. 15 - Prob. 4ECh. 15 - Prob. 5ECh. 15 - Prob. 6ECh. 15 - Prob. 7ECh. 15 - Prob. 8ECh. 15 - Prob. 9ECh. 15 - Prob. 10E
Ch. 15 - Prob. 11ECh. 15 - Prob. 12ECh. 15 - Prob. 13ECh. 15 - Prob. 14ECh. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - Prob. 19ECh. 15 - Prob. 20ECh. 15 - Prob. 21ECh. 15 - Prob. 22ECh. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Prob. 27ECh. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - Prob. 30ECh. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Prob. 35ECh. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - Predict which compound, CO2 or CS2, has the higher...Ch. 15 - Prob. 42ECh. 15 - Predict which compound, CH4 or CH3F, has the...Ch. 15 - Prob. 44ECh. 15 - Prob. 45ECh. 15 - Prob. 46ECh. 15 - Prob. 47ECh. 15 - Use the following vapor pressure data to answer...Ch. 15 - Prob. 49ECh. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - Prob. 52ECh. 15 - Prob. 53ECh. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - The molar heat of vaporization of substance X is...Ch. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Prob. 63ECh. 15 - Prob. 64ECh. 15 - Prob. 65ECh. 15 - Prob. 66ECh. 15 - Prob. 67ECh. 15 - Prob. 68ECh. 15 - Prob. 69ECh. 15 - Prob. 70ECh. 15 - Prob. 71ECh. 15 - Prob. 72ECh. 15 - Prob. 73ECh. 15 - Prob. 74ECh. 15 - Prob. 75ECh. 15 - Prob. 76ECh. 15 - Find the quantity of energy released in joules as...Ch. 15 - Prob. 78ECh. 15 - Prob. 79ECh. 15 - What is the energy change when the temperature of...Ch. 15 - Prob. 81ECh. 15 - Prob. 82ECh. 15 - Prob. 83ECh. 15 - Prob. 84ECh. 15 - Prob. 85ECh. 15 - Prob. 86ECh. 15 - Prob. 87ECh. 15 - Prob. 88ECh. 15 - Prob. 89ECh. 15 - Prob. 90ECh. 15 - Prob. 91ECh. 15 - Prob. 92ECh. 15 - Prob. 93ECh. 15 - The following information is given for n-pentane...Ch. 15 - Prob. 95ECh. 15 - Prob. 96ECh. 15 - Prob. 97ECh. 15 - The following information is given for bismuth at...Ch. 15 - Prob. 99ECh. 15 - Classify each of the following statements as true...Ch. 15 - Prob. 101ECh. 15 - Prob. 102ECh. 15 - Prob. 103ECh. 15 - Prob. 104ECh. 15 - Prob. 105ECh. 15 - Prob. 106ECh. 15 - Prob. 107ECh. 15 - Prob. 108ECh. 15 - A calorimeter contains 72.0g of water at 19.2C. A...Ch. 15 - Prob. 110ECh. 15 - Prob. 111ECh. 15 - Prob. 112ECh. 15 - Prob. 113ECh. 15 - It is a hot summer day, and Chris wants a glass of...Ch. 15 - Prob. 15.1TCCh. 15 - Prob. 15.2TCCh. 15 - Prob. 15.3TCCh. 15 - Prob. 15.4TCCh. 15 - Prob. 15.5TCCh. 15 - Prob. 15.6TCCh. 15 - Prob. 15.7TCCh. 15 - Prob. 15.8TCCh. 15 - Prob. 1CLECh. 15 - Prob. 2CLECh. 15 - Prob. 3CLECh. 15 - Prob. 4CLECh. 15 - Prob. 5CLECh. 15 - Prob. 6CLECh. 15 - Prob. 7CLECh. 15 - Prob. 1PECh. 15 - Prob. 2PECh. 15 - Prob. 3PECh. 15 - Prob. 4PECh. 15 - Prob. 5PECh. 15 - Prob. 6PECh. 15 - Prob. 7PECh. 15 - Prob. 8PE
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