Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 8.11, Problem 8.49YT
In 2008, a group of scientists met in Monaco to raise awareness about ocean acidification. They issued the Monaco Declaration, calling on the countries of the world to reverse carbon dioxide emissions trends by 2020. Have more recent gatherings of scientists and negotiators created a worldwide policy to address ocean acidification? Do research of your own and summarize your findings.
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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
Reset
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 8 Solutions
Chemistry In Context
Ch. 8.1 - Answer the following questions for solids,...Ch. 8.1 - Prob. 8.6YTCh. 8.2 - Prob. 8.7YTCh. 8.2 - Prob. 8.8YTCh. 8.3 - Prob. 8.9YTCh. 8.3 - Prob. 8.10YTCh. 8.3 - Prob. 8.11YTCh. 8.3 - Prob. 8.12YTCh. 8.4 - Prob. 8.15YTCh. 8.4 - Prob. 8.16YT
Ch. 8.4 - Prob. 8.18YTCh. 8.4 - Prob. 8.19YTCh. 8.5 - Identify a recent drought or flood that caused...Ch. 8.5 - Prob. 8.22YTCh. 8.6 - Prob. 8.25YTCh. 8.6 - Prob. 8.26YTCh. 8.6 - Prob. 8.28YTCh. 8.7 - Prob. 8.30YTCh. 8.7 - Prob. 8.31YTCh. 8.7 - Prob. 8.32YTCh. 8.7 - Prob. 8.33YTCh. 8.7 - Prob. 8.35YTCh. 8.7 - Prob. 8.36YTCh. 8.8 - For each of the strong acids shown below, write a...Ch. 8.8 - Although the word acid may conjure up all sorts of...Ch. 8.8 - Prob. 8.39YTCh. 8.9 - For each acidbase pair, write a balanced...Ch. 8.9 - Prob. 8.42YTCh. 8.9 - Prob. 8.43YTCh. 8.10 - Skill Building Small Changes, Big Effects Compare...Ch. 8.10 - Prob. 8.47YTCh. 8.10 - Prob. 8.48YTCh. 8.11 - In 2008, a group of scientists met in Monaco to...Ch. 8.11 - Prob. 8.50YTCh. 8.12 - Skill Building Water Treatment Chemicals a. Write...Ch. 8.12 - Prob. 8.52YTCh. 8.12 - Prob. 8.53YTCh. 8.12 - Prob. 8.54YTCh. 8.12 - Prob. 8.55YTCh. 8.13 - Prob. 8.56YTCh. 8.13 - Prob. 8.57YTCh. 8.13 - Prob. 8.58YTCh. 8.13 - Prob. 8.59YTCh. 8 - Your Turn 8.1 You Decide Opposites Attract Examine...Ch. 8 - Prob. 8.2YTCh. 8 - In any language, water is the most abundant...Ch. 8 - Prob. 2QCh. 8 - Prob. 3QCh. 8 - Prob. 4QCh. 8 - The following are four pairs of atoms. Consult...Ch. 8 - Prob. 6QCh. 8 - Prob. 7QCh. 8 - Both methane (CH4) and water are compounds of...Ch. 8 - Prob. 9QCh. 8 - Prob. 10QCh. 8 - a. Draw the Lewis structure for the water...Ch. 8 - Prob. 12QCh. 8 - Prob. 13QCh. 8 - Prob. 14QCh. 8 - Based on your experience, how soluble is each of...Ch. 8 - Prob. 16QCh. 8 - NaCl is an ionic compound, but SiCl4 is a...Ch. 8 - Prob. 18QCh. 8 - Prob. 19QCh. 8 - Prob. 20QCh. 8 - Prob. 21QCh. 8 - Prob. 22QCh. 8 - Prob. 23QCh. 8 - For a 2.5 M solution of Mg(NO3)2, what is the...Ch. 8 - Prob. 25QCh. 8 - Prob. 26QCh. 8 - Classify the following aqueous solutions as...Ch. 8 - Prob. 28QCh. 8 - In each pair below, the [H+] is different. By what...Ch. 8 - Which of these has the lowest concentration of...Ch. 8 - Consider these ions: nitrate, sulfate, carbonate,...Ch. 8 - Prob. 32QCh. 8 - Prob. 33QCh. 8 - Prob. 34QCh. 8 - Which gas is dissolved in water to produce each of...Ch. 8 - Prob. 36QCh. 8 - Prob. 37QCh. 8 - Prob. 38QCh. 8 - Use the Internet to determine which has the higher...Ch. 8 - Prob. 40QCh. 8 - Prob. 41QCh. 8 - Prob. 42QCh. 8 - At the edge of a favorite fishing hole, a new sign...Ch. 8 - Prob. 44QCh. 8 - A diatomic molecule XY that contains a polar bond...Ch. 8 - Prob. 46QCh. 8 - Prob. 47QCh. 8 - Prob. 48QCh. 8 - Prob. 49QCh. 8 - The unusually high specific heat of water helps...Ch. 8 - Prob. 51QCh. 8 - Prob. 52QCh. 8 - Prob. 53QCh. 8 - Prob. 55QCh. 8 - In 2005, the Great LakesSt. Lawrence River Basin...Ch. 8 - Liquid CO2 has been used successfully for many...Ch. 8 - Prob. 58QCh. 8 - Prob. 60QCh. 8 - Prob. 61QCh. 8 - Hard water may contain Mg2+ and Ca2+ ions. The...Ch. 8 - Suppose you are in charge of regulating an...Ch. 8 - Prob. 64QCh. 8 - Prob. 65QCh. 8 - Prob. 66QCh. 8 - Prob. 67QCh. 8 - List a recent theme for World Water Day. Prepare a...Ch. 8 - Prob. 69Q
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