Student Study Guide and Solutions Manual for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
8th Edition
ISBN: 9781305864504
Author: Brent L. Iverson, Sheila Iverson
Publisher: Cengage Learning
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Chapter 23.5, Problem GQ
Interpretation Introduction
Interpretation:
An explanation for the given order of association found in DNA has to be identified from the given options.
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Please explain why this anwser was wrong for question 1 and what the errors made were. If possible also please explain how you can get the correct anwser for this problem.
4) In the lab you are extracting and enzyme called catalase
from a potato and want to use this enzyme to speed up a
reaction in the lab. The potato usually grows in soil pH of
5.5 and a temperature of 18 °C. You extract the enzyme and
run a reaction with it in the following conditions. pH 9.5
and temperature = 20 °C. What can be said about the
enzymes activity? If activity is low how would you correct
this issue? Please explain in detail and in your own words.
All amino acids have two ionizable functional groups: an a-amino group (average pK, of 9.4) and an a-carboxylic acid group
(average pK, of 2.2). Glutamic acid has an ionizable side chain (R group) with a pK, of about 4.1. One of the possible
ionization states of glutamic acid is shown in the image.
H₂N-CH-C-OH
CH₂
At what pH would this structure of glutamic acid be the predominant ionization state? Consider the ionization state of all
three of the functional groups.
OH
The protonated form of the R group of glutamic acid is shown in the structure. The ratio of the protonated form to the charged
(deprotonated) form depends on the pK, of the R group and the pH of the solution.
2.6
4.1
1.5
Select the pH values at which the charged form of the R group would predominate.
7.0
11.3
Chapter 23 Solutions
Student Study Guide and Solutions Manual for Brown/Iverson/Anslyn/Foote's Organic Chemistry, 8th Edition
Ch. 23.1 - Prob. 23.1PCh. 23.2 - Prob. 23.2PCh. 23.2 - Prob. 23.3PCh. 23.2 - Prob. 23.4PCh. 23.5 - Prob. 23.5PCh. 23.5 - Prob. AQCh. 23.5 - What is the hybridization of the nitrogen in...Ch. 23.5 - Prob. CQCh. 23.5 - The pKas of the conjugate acids of aniline and...Ch. 23.5 - Prob. EQ
Ch. 23.5 - Prob. FQCh. 23.5 - Prob. GQCh. 23.5 - Select the stronger acid from each pair of...Ch. 23.6 - Prob. 23.7PCh. 23.6 - Prob. 23.8PCh. 23.6 - Prob. 23.9PCh. 23.7 - Prob. 23.10PCh. 23.8 - Prob. 23.11PCh. 23.8 - Prob. 23.12PCh. 23.8 - Prob. 23.13PCh. 23.9 - Prob. 23.14PCh. 23.10 - In Example 23.15, you considered the product of...Ch. 23 - Prob. 23.16PCh. 23 - Prob. 23.17PCh. 23 - Prob. 23.18PCh. 23 - Prob. 23.19PCh. 23 - Prob. 23.20PCh. 23 - Prob. 23.21PCh. 23 - Prob. 23.22PCh. 23 - Account for the formation of the base peaks in...Ch. 23 - Prob. 23.24PCh. 23 - Select the stronger base from each pair of...Ch. 23 - The pKa, of the conjugate acid of morpholine is...Ch. 23 - Which of the two nitrogens in pyridoxamine (a form...Ch. 23 - Prob. 23.28PCh. 23 - Prob. 23.29PCh. 23 - Prob. 23.30PCh. 23 - Prob. 23.31PCh. 23 - Suppose you have a mixture of these three...Ch. 23 - Prob. 23.33PCh. 23 - Prob. 23.34PCh. 23 - Prob. 23.35PCh. 23 - Prob. 23.36PCh. 23 - Prob. 23.37PCh. 23 - (S)-Glutamic acid is one of the 20 amino acid...Ch. 23 - Prob. 23.39PCh. 23 - Propose a structural formula for the compound...Ch. 23 - Prob. 23.41PCh. 23 - The pyrolysis of acetic esters to give an alkene...Ch. 23 - Propose steps for the following conversions using...Ch. 23 - Show how to bring about each step in this...Ch. 23 - Show how to bring about each step in the following...Ch. 23 - Prob. 23.48PCh. 23 - Prob. 23.49PCh. 23 - Methylparaben is used as a preservative in foods,...Ch. 23 - Prob. 23.51PCh. 23 - Prob. 23.52PCh. 23 - Propose a synthesis for the systemic agricultural...Ch. 23 - Prob. 23.54PCh. 23 - Several diamines are building blocks for the...Ch. 23 - Prob. 23.56PCh. 23 - Prob. 23.57PCh. 23 - Prob. 23.58PCh. 23 - Prob. 23.59PCh. 23 - Following is a retrosynthesis for the coronary...Ch. 23 - Prob. 23.61PCh. 23 - Prob. 23.62PCh. 23 - Given this retrosynthetic analysis, propose a...Ch. 23 - Prob. 23.64PCh. 23 - Following is a series of anorexics (appetite...Ch. 23 - Prob. 23.66PCh. 23 - Prob. 23.67PCh. 23 - Show how the synthetic scheme developed in Problem...Ch. 23 - Prob. 23.69PCh. 23 - Prob. 23.70PCh. 23 - Prob. 23.71PCh. 23 - Prob. 23.72P
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- The name carbohydrate comes from the fact that many simple sugars have chemical formulae that look like water has simply been added to carbon. (The suffix hydrate from the Greek word hydor ("water") means "compound formed by the addition of water.") The actual chemical structure of carbohydrates doesn't look anything like water molecules bonded to carbon atoms (see sketch at right). But it is nevertheless possible to chemically extract all the hydrogen and oxygen from many simple carbohydrates as water, leaving only carbon behind. If you search the Internet for "reaction of sulfuric acid and sugar" you will find some impressive videos of this. Suppose you had (200. g) of ordinary table sugar, which chemists call sucrose, and which has the chemical formula C12H₂2011. Calculate the maximum mass of water you could theoretically extract. Be sure your answer has alunit symbol, and round it to 3 significant digits. 0 HO CH₂OH OH OH OH The actual chemical structure of glucose.arrow_forwardThe name carbohydrate comes from the fact that many simple sugars have chemical formulae that look like water has simply been added to carbon. (The suffix hydrate from the Greek word hydor ("water") means "compound formed by the addition of water.") The actual chemical structure of carbohydrates doesn't look anything like water molecules bonded to carbon atoms (see sketch at right). But it is nevertheless possible to chemically extract all the hydrogen and oxygen from many simple carbohydrates as water, leaving only carbon behind. If you search the Internet for "reaction of sulfuric acid and sugar" you will find some impressive videos of this. Suppose you had 300.g of ordinary table sugar, which chemists call sucrose, and which has the chemical formula C12H22O11 . Calculate the maximum mass of water you could theoretically extract. Be sure your answer has a unit symbol, and round it to the correct number of significant digits.arrow_forwardDistinguish between mixed-acid fermentation and butanediol fermentation and describe the test(s) that can be used to detect each. Briefly describe the reactions and changes that take place during the decarboxylation of amino acids in the decarboxylase medium. Explain the experiment that you would perform in order to determine whether the organism that you were instructed instructed to identify is positive or negative for gelatin hydrolysis. How do microorganisms such as bacteria eliminate harmful reactive oxygen species? Nitrate reduction to nitrite is indicated by the formation of a pink to red color after addition of nitrate test reagent. However, if a culture does not produce a colour change several possibilities exist. Explain.arrow_forward
- All amino acids have two ionizable functional groups: an α‑amino group (average p?a of 9.4) and an α‑carboxylic acid group (average p?a of 2.2). Aspartic acid has an ionizable side chain (R group) with a p?a of about 3.8. One of the possible ionization states of aspartic acid is shown in the image. The protonated form of the R group of aspartic acid is shown in the structure. The ratio of the protonated form to the charged (deprotonated) form depends on the p?a of the R group and the pH of the solution. Select all the pH values at which the charged form of the R group would predominate.arrow_forwardWhat do you predict the addition of distilled water will have on catalase? Will it increase, decrease, or have no effect on the chemical reaction between hydrogen peroxide and catalase? (arrow_forwardWhat do you predict the addition of an acid will have on catalase? Will it increase, decrease, or have no effect on the chemical reaction between hydrogen peroxide and catalase?arrow_forward
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