EBK CHEMISTRY: PRINCIPLES AND REACTIONS
8th Edition
ISBN: 8220100547966
Author: Hurley
Publisher: CENGAGE L
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Chapter 10, Problem 42QAP
Antifreeze solutions are aqueous solutions of ethylene glycol,
(a) What is the minimum molality of antifreeze solution required?
(b) How many milliliters of ethylene glycol need to be added to 250 mL of water to prepare the solution called for in (a)?
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Additional problems in preparation to Midterm #1:
1.) How can the following compounds be prepared using Diels-Alder reaction:
CH3 O
CN
(a)
(b)
CN
CH3
2.) What is the missing reagent in the shown reaction?
H3C
+ ?
H3C
H3C
CN
H3C
''CN
(၁)
H
3.) Write the products 1,2-addition and 1,4-addition of DBr to 1,3-cyclohexadiene.
Remember, D is deuterium, a heavy isotope of hydrogen. It reacts exactly like hydrogen.
4.) In the shown reaction, which will be the kinetic product and which will be the
thermodynamic product?
H3C
CI
H3C
HCI
H3C
+
5.) Which of the following molecules is aromatic?
(a)
(b)
(c)
H
6.) Which of the following molecules is aromatic?
(a)
(b)
(c)
7.) Write the mechanism for the shown reaction.
+
Ха
AICI 3
CI
8.) Suggest reagents that would convert benzene into the shown compounds.
CI
NO2
-8-6-6-8-a
(a)
(b)
(c)
(d)
(e)
(a)
SO3H
Br
Chapter 10 Solutions
EBK CHEMISTRY: PRINCIPLES AND REACTIONS
Ch. 10 - A solution is prepared by dissolving 12.15 g of...Ch. 10 - Prob. 2QAPCh. 10 - Prob. 3QAPCh. 10 - Solutions Introduced directly into the bloodstream...Ch. 10 - Silver ions can be found in some of the city water...Ch. 10 - Prob. 6QAPCh. 10 - Complete the following table for aqueous solutions...Ch. 10 - Complete the following table for aqueous solutions...Ch. 10 - Complete the following table for aqueous solutions...Ch. 10 - Complete the following table for aqueous solutions...
Ch. 10 - Prob. 11QAPCh. 10 - Prob. 12QAPCh. 10 - Prob. 13QAPCh. 10 - A solution is prepared by diluting 0.7850 L of...Ch. 10 - A bottle of phosphoric acid is labeled 85.0% H3PO4...Ch. 10 - Prob. 16QAPCh. 10 - Complete the following table for aqueous solutions...Ch. 10 - Complete the following table for aqueous solutions...Ch. 10 - Assume that 30 L of maple sap yields one kilogram...Ch. 10 - Juice (d=1.0g/mL) from freshly harvested grapes...Ch. 10 - Prob. 21QAPCh. 10 - Which of the following is more likely to be...Ch. 10 - Prob. 23QAPCh. 10 - Prob. 24QAPCh. 10 - Consider the process by which lead chloride...Ch. 10 - Prob. 26QAPCh. 10 - The Henry's law constant for the solubility of...Ch. 10 - The Henry's law constant for the solubility of...Ch. 10 - A carbonated beverage is made by saturating water...Ch. 10 - Air contains 78% nitrogen. At 25C, Henry's law...Ch. 10 - Vodka is advertised to be 80 proof. That means...Ch. 10 - What is the freezing point of maple syrup (66%...Ch. 10 - Calculate the vapor pressure of water over each of...Ch. 10 - Calculate the vapor pressure of water over each of...Ch. 10 - Prob. 35QAPCh. 10 - Consider an aqueous solution of urea, (CO(NH2)2)...Ch. 10 - Prob. 37QAPCh. 10 - Prob. 38QAPCh. 10 - Calculate the freezing point and normal boiling...Ch. 10 - How many grams of the following nonelectrolytes...Ch. 10 - What is the freezing point and normal boiling...Ch. 10 - Antifreeze solutions are aqueous solutions of...Ch. 10 - When 13.66 g of lactic acid, C3H6O3, are mixed...Ch. 10 - A solution consisting of 4.50 g of propylene...Ch. 10 - Insulin is a hormone responsible for the...Ch. 10 - Epinephrine (or adrenaline) is a hormone and...Ch. 10 - Lauryl alcohol is obtained from the coconut and is...Ch. 10 - The Rast method uses camphor (C10H16O) as a...Ch. 10 - Caffeine is made up of 49.5% C, 5.2% H, 16.5% O,...Ch. 10 - A compound contains 42.9% C, 2.4% H, 16.6% N, and...Ch. 10 - A biochemist isolates a new protein and determines...Ch. 10 - Prob. 52QAPCh. 10 - Estimate the freezing and boiling points of normal...Ch. 10 - Arrange 0.10 m aqueous solutions of the following...Ch. 10 - Aqueous solutions introduced into the stream y...Ch. 10 - What is the osmotic pressure of a 0.135 M solution...Ch. 10 - The freezing point of a 0.11 m solution of HNO2 is...Ch. 10 - The freezing point of a 0.21 m aqueous solution of...Ch. 10 - An aqueous solution of LiX is prepared by...Ch. 10 - An aqueous solution of M2O is prepared by...Ch. 10 - A sucrose (C12H22O11) solution that is 45.0%...Ch. 10 - An aqueous solution made up of 32.47 g of...Ch. 10 - How would you prepare 5.00 L of a solution that is...Ch. 10 - Carbon tetrachloride (CCl4) boils at 76.8C and has...Ch. 10 - Twenty-five milliliters of a solution...Ch. 10 - The Henry's law constant for the solubility of...Ch. 10 - Prob. 67QAPCh. 10 - Consider two solutions at a certain temperature....Ch. 10 - A pharmacist prepares an isotonic saline solution...Ch. 10 - One mole of CaCl2 is represented as where...Ch. 10 - One mole of Na2S is represented as where...Ch. 10 - Prob. 72QAPCh. 10 - Consider three test tubes. Tube A has pure water....Ch. 10 - The freezing point of 0.20 m HF is -0.38C. Is HF...Ch. 10 - A certain gaseous solute dissolves in water,...Ch. 10 - The freezing point of 0.10 M KHSO3 is -0.38C....Ch. 10 - Consider 2 vapor pressure curves A and B. They are...Ch. 10 - A gaseous solute dissolves in water. The solution...Ch. 10 - In your own words, explain (a) why seawater has a...Ch. 10 - Prob. 80QAPCh. 10 - Beaker A has 1.00 mol of chloroform, CHCl3, at...Ch. 10 - Prob. 82QAPCh. 10 - Prob. 83QAPCh. 10 - Prob. 84QAPCh. 10 - Prob. 85QAPCh. 10 - A martini, weighing about 5.0 oz (142 g), contains...Ch. 10 - When water is added to a mixture of aluminum metal...Ch. 10 - Prob. 88QAPCh. 10 - Prob. 89QAP
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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