Chemistry: Structure and Properties
1st Edition
ISBN: 9780321834683
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 14, Problem 45E
Calculate the mass of nitrogen dissolved at room temperature in an 80.0-L home aquarium. Assume a total pressure of 1.0 atmand a mole fraction for nitrogen of 0.78.
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Don't used hand raiting
The following 'H NMR spectrum was taken with a 750 MHz spectrometer:
1.0
0.5
0.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0 ' 2.0
1.0
0.0
(ppm)
What is the difference Av
in the frequency of RF
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it's not equal to the difference in chemical shifts.)
Round your answer to 2 significant digits, and be
sure it has an appropriate unit symbol.
=
O
O a will shift left, c will shift right.
O a will shift right, c will shift left.
a and c will both shift left, with more space
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Suppose a new spectrum is taken with a 500 MHz
spectrometer. What will be true about this new
spectrum?
O
a and c will both shift left, with less space
between them.
O
a and c will both shift right, with more space
between them.
O
a and c will both shift right, with less space
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Which protons have the largest energy gap
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O None of the above.
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Explanation
Check
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What mass of Na2CO3 must you add to 125g of water to prepare 0.200 m Na2CO3? Calculate mole fraction of Na2CO3, mass percent, and molarity of the resulting solution. MM (g/mol): Na2CO3 105.99; water 18.02. Final solution density is 1.04 g/mL.
Chapter 14 Solutions
Chemistry: Structure and Properties
Ch. 14 - Which compound is most soluble in octane (C8H18)?...Ch. 14 - Prob. 2SAQCh. 14 - A 500.0-mL sample of pure water is allowed to come...Ch. 14 - Prob. 4SAQCh. 14 - Prob. 5SAQCh. 14 - Prob. 6SAQCh. 14 - What is the vapor pressure of an aqueous ethylene...Ch. 14 - Prob. 8SAQCh. 14 - What mass of glucose (C6H12O6) should you dissolve...Ch. 14 - Which aqueous solution has the highest boiling...
Ch. 14 - The osmotic pressure of a solution containing 22.7...Ch. 14 - The enthalpy of solution for NaOH is -44.6 kJ/mol....Ch. 14 - A 2.4-m aqueous solution of an ionic compound with...Ch. 14 - A solution is an equimolar mixture of two volatile...Ch. 14 - An aqueous solution is in equilibrium with a...Ch. 14 - What is a solution? What are the solute and...Ch. 14 - What does it mean when we say that a substance is...Ch. 14 - Why do two ideal gases thoroughly mix when...Ch. 14 - Prob. 4ECh. 14 - Prob. 5ECh. 14 - Explain how the relative strengths of...Ch. 14 - What does the statement like dissolves like mean...Ch. 14 - Prob. 8ECh. 14 - What is the heat of hydration(Hhydration)? How...Ch. 14 - Prob. 10ECh. 14 - How does temperature affect the solubility of a...Ch. 14 - Prob. 12ECh. 14 - How does pressure affect the solubility of a gas...Ch. 14 - What is Henry’s law? For what kinds of...Ch. 14 - Prob. 15ECh. 14 - How are parts by mass and parts by volume used in...Ch. 14 - Prob. 17ECh. 14 - What is Raoult’s law? For what kind of...Ch. 14 - Explain the difference between an ideal and a...Ch. 14 - Prob. 20ECh. 14 - Prob. 21ECh. 14 - What are colligative properties?Ch. 14 - Prob. 23ECh. 14 - Explain the significance of the van’t Hoff factor...Ch. 14 - Prob. 25ECh. 14 - Pick an appropriate solvent from Table 13.3 to...Ch. 14 - Which molecule would you expect to be more soluble...Ch. 14 - Prob. 28ECh. 14 - Prob. 29ECh. 14 - Prob. 30ECh. 14 - When ammonium chloride (NH4Cl) is dissolved in...Ch. 14 - Prob. 32ECh. 14 - Prob. 33ECh. 14 - Use the given data to calculate the heats of...Ch. 14 - Lithium iodide has a lattice energy of...Ch. 14 - Prob. 36ECh. 14 - A solution contains 25 g of NaCl per 100.0 g of...Ch. 14 - A solution contains 32 g of KNO3 per 100.0 g of...Ch. 14 - Prob. 39ECh. 14 - A KCI solution containing 42 g of KCI per 100.0 g...Ch. 14 - Some laboratory procedures involving...Ch. 14 - A person preparing a fish tank fills the tank with...Ch. 14 - Prob. 43ECh. 14 - Scuba divers breathing air at increased pressure...Ch. 14 - Calculate the mass of nitrogen dissolved at room...Ch. 14 - Use Henry’s law to determine the molar solubility...Ch. 14 - An aqueous NaCl solution is made using 112 g of...Ch. 14 - Prob. 48ECh. 14 - To what volume should you dilute 50.0 mL of a...Ch. 14 - Prob. 50ECh. 14 - Silver nitrate solutions are used to plate silver...Ch. 14 - Prob. 52ECh. 14 - Prob. 53ECh. 14 - Prob. 54ECh. 14 - You can purchase nitric acid in a concentrated...Ch. 14 - You can purchase hydrochloric acid in a...Ch. 14 - Prob. 57ECh. 14 - Prob. 58ECh. 14 - Prob. 59ECh. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - Prob. 64ECh. 14 - A beaker contains 100.0 mL of pure water. A second...Ch. 14 - Which solution has the highest vapor pressure? a....Ch. 14 - Calculate the vapor pressure of a solution...Ch. 14 - A solution contains naphthalene (C10H8) dissolved...Ch. 14 - A solution contains 50.0 g of heptane (C7H16) and...Ch. 14 - A solution contains a mixture of pentane and...Ch. 14 - A solution contains 4.08 g of chloroform (C3H8O3)...Ch. 14 - A solution of methanol and water has a mole...Ch. 14 - Prob. 73ECh. 14 - An ethylene glycol solution contains 21.2 g of...Ch. 14 - Calculate the freezing point and melting point of...Ch. 14 - Calculate the freezing point and melting point of...Ch. 14 - An aqueous solution containing 17.5 g of an...Ch. 14 - An aqueous solution containing 35.9 g of an...Ch. 14 - Calculate the osmotic pressure of a solution...Ch. 14 - Prob. 80ECh. 14 - A solution containing 27.55 mg of an unknown...Ch. 14 - Prob. 82ECh. 14 - Calculate the freezing point and boiling point...Ch. 14 - Calculate the freezing point and boiling point in...Ch. 14 - What mass of salt (NaCl) should you add to 1.00 L...Ch. 14 - Prob. 86ECh. 14 - Use the van’t Hoff factors in Table 13.7 to...Ch. 14 - Prob. 88ECh. 14 - A 1.2-m aqueous solution of an ionic compound with...Ch. 14 - A 0.95-m aqueous solution of an ionic compound...Ch. 14 - Prob. 91ECh. 14 - Prob. 92ECh. 14 - Prob. 93ECh. 14 - An aqueous CaCl2 solution has a vapor pressure of...Ch. 14 - Prob. 95ECh. 14 - Prob. 96ECh. 14 - Potassium perchlorate (KClO4) has a lattice energy...Ch. 14 - Sodium hydroxide (NaOH) has a lattice energy of...Ch. 14 - Prob. 99ECh. 14 - Prob. 100ECh. 14 - Prob. 101ECh. 14 - Water softeners often replace calcium ions in hard...Ch. 14 - Prob. 103ECh. 14 - Prob. 104ECh. 14 - Prob. 105ECh. 14 - Prob. 106ECh. 14 - An isotonic solution contains 0.90% NaCl mass to...Ch. 14 - Prob. 108ECh. 14 - Prob. 109ECh. 14 - When HNO2 dissolves in water, it partially...Ch. 14 - Prob. 111ECh. 14 - Prob. 112ECh. 14 - Prob. 113ECh. 14 - Distillation is a method of purification based on...Ch. 14 - Prob. 115ECh. 14 - Find the mass of urea (CH4N2O) needed to prepare...Ch. 14 - A solution contains 10.05 g of unknown compound...Ch. 14 - Prob. 118ECh. 14 - Prob. 119ECh. 14 - Prob. 120ECh. 14 - The small bubbles that form on the bottom of a...Ch. 14 - The vapor above a mixture of pentane and hexane at...Ch. 14 - A 1.10-g sample contains only glucose (C6H12O6)...Ch. 14 - Prob. 124ECh. 14 - Two alcohols, isopropyl alcohol and propyl...Ch. 14 - A metal, M, of atomic mass 96 amu reacts with...Ch. 14 - Prob. 127ECh. 14 - Prob. 128ECh. 14 - A solution is prepared by dissolving 11.60 g of a...Ch. 14 - Substance A is a nonpolar liquid and has only...Ch. 14 - Prob. 131ECh. 14 - Prob. 132ECh. 14 - Prob. 133ECh. 14 - Prob. 134E
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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