Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 1.8, Problem 1Q
Much has been written about CO2.What is its name?
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Arrange the solutions in order of increasing acidity. (Note that K (HF) = 6.8 x 10 and K (NH3) = 1.8 × 10-5)
Rank solutions from least acidity to greatest acidity. To rank items as equivalent, overlap them.
▸ View Available Hint(s)
Least acidity
NH&F NaBr NaOH
NH,Br NaCIO
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Greatest acidity
1. Consider the following molecular-level diagrams of a titration.
O-HA molecule
-Aion
°°
о
°
(a)
о
(b)
(c)
(d)
a. Which diagram best illustrates the microscopic representation for the
EQUIVALENCE POINT in a titration of a weak acid (HA) with sodium.
hydroxide?
(e)
Answers to the remaining 6 questions will be hand-drawn on paper and submitted as a single
file upload below:
Review of this week's reaction:
H₂NCN (cyanamide) + CH3NHCH2COOH (sarcosine) + NaCl, NH4OH, H₂O --->
H₂NC(=NH)N(CH3)CH2COOH (creatine)
Q7. Draw by hand the reaction of creatine synthesis listed above using line structures without showing
the Cs and some of the Hs, but include the lone pairs of electrons wherever they apply. (4 pts)
Q8. Considering the Zwitterion form of an amino acid, draw the Zwitterion form of Creatine. (2 pts)
Q9. Explain with drawing why the C-N bond shown in creatine structure below can or cannot rotate. (3
pts)
NH2(C=NH)-N(CH)CH2COOH
This bond
Q10. Draw two tautomers of creatine using line structures. (Note: this question is valid because problem
Q9 is valid). (4 pts)
Q11. Mechanism. After seeing and understanding the mechanism of creatine synthesis, students should
be ready to understand the first half of one of the Grignard reactions presented in a past…
Chapter 1 Solutions
Chemistry & Chemical Reactivity
Ch. 1.3 - Which of the following is a pure substance? (a)...Ch. 1.3 - Which of the following is not characteristic of a...Ch. 1.4 - Prob. 1RCCh. 1.4 - Prob. 2RCCh. 1.5 - Prob. 1RCCh. 1.5 - 2. Which of the following is NOT a...Ch. 1.6 - Which of the following is NOT a physical property?...Ch. 1.6 - 2. A piece of a polypropylene rope (used for water...Ch. 1.6 - Which of the following is an extensive property of...Ch. 1.7 - When camping in the mountains, you boil a pot of...
Ch. 1.8 - Much has been written about CO2.What is its name?Ch. 1.8 - Prob. 2QCh. 1.8 - Prob. 3QCh. 1.8 - The spines of the sea urchin, corals, and...Ch. 1.8 - Which of the following has the highest thermal...Ch. 1.8 - Prob. 2RCCh. 1 - Give the name of each of the following elements:...Ch. 1 - Give the name of each of the following elements:...Ch. 1 - Give the symbol for each of the following...Ch. 1 - Give the symbol for each of the following...Ch. 1 - In each of the following pairs, decide which is an...Ch. 1 - In each of the following pairs, decide which is an...Ch. 1 - In each case, decide if the underlined property is...Ch. 1 - In each case, decide if the change is a chemical...Ch. 1 - Which part of the description of a compound or...Ch. 1 - Which part of the description of a compound or...Ch. 1 - The flashlight in the photo does not use...Ch. 1 - A solar panel is pictured in the photo. When light...Ch. 1 - Determine which of the following represent...Ch. 1 - Prob. 14PSCh. 1 - Prob. 15GQCh. 1 - Iron pyrite (fool's gold, page 11) has a shiny...Ch. 1 - Which observations below describe chemical...Ch. 1 - Which observations below describe chemical...Ch. 1 - The mineral fluorite contains the elements calcium...Ch. 1 - Azurite, a blue, crystalline mineral, is composed...Ch. 1 - You have a solution of NaCI dissolved in water....Ch. 1 - Small chips of iron are mixed with sand (see...Ch. 1 - Identify the following as either physical changes...Ch. 1 - Identify the following as either physical changes...Ch. 1 - In Figure 1.2 you see a piece of salt and a...Ch. 1 - In Figure 1.5 you see macroscopic and particulate...Ch. 1 - Prob. 27GQCh. 1 - The following photo shows copper balls, immersed...Ch. 1 - Categorize each of the following as an element, a...Ch. 1 - Categorize each of the following as an element, a...Ch. 1 - Make a drawing, based on the kinetic-molecular...Ch. 1 - Make a drawing, based on the kinetic-molecular...Ch. 1 - Hexane (C6H14, density = 0.766 g/cm3),...Ch. 1 - You have a sample of a white crystalline substance...Ch. 1 - You can figure out whether a solid floats or sinks...Ch. 1 - You are given a sample of a silvery metal. What...Ch. 1 - Milk in a glass bottle was placed in the freezing...Ch. 1 - Describe an experimental method that can be used...Ch. 1 - Diabetes can alter the density of urine, so urine...Ch. 1 - Prob. 40GQCh. 1 - The following photo shows the element potassium...Ch. 1 - Prob. 42GQCh. 1 - Four balloons are each filled with a different...Ch. 1 - Prob. 44GQCh. 1 - The photo below shows elemental iodine dissolving...Ch. 1 - A few years ago a young chemist in Vienna,...
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