Organic Chemistry Study Guide and Solutions
6th Edition
ISBN: 9781936221868
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 15, Problem 15.49AP
Interpretation Introduction
(a)
Interpretation:
The increasing order of heat of formation for the given compounds is to be stated.
Concept introduction:
During the formation of one mole of substance, the amount of heat absorbed or evolved is known as heat of formation. In case of isomeric compounds of hydrocarbons, the order of heat of formation of various isomers is shown below.
Interpretation Introduction
(b)
Interpretation:
The increasing order of heat of formation for the given compounds is to be stated.
Concept introduction:
During the formation of one mole of substance, the amount of heat absorbed or evolved is known as heat of formation. In case of isomeric compounds of hydrocarbons, the order of heat of formation of various isomers is shown below.
Interpretation Introduction
(c)
Interpretation:
The increasing order of heat of formation for the given compounds is to be stated.
Concept introduction:
During the formation of one mole of substance, the amount of heat absorbed or evolved is known as heat of formation. In case of isomeric compounds of hydrocarbons, the order of heat of formation of various isomers is shown below.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
3. Refer to the data below to answer the following questions:
Isoelectric point
Amino Acid
Arginine
10.76
Glutamic Acid
3.22
Tryptophan
5.89
A. Define isoelectric point.
B. The most basic amino acid is
C. The most acidic amino acid is
sidizo zo
3. A gas mixture contains 50 mol% H2 and 50 mol% He.
1.00-L samples of this gas mixture are mixed with
variable volumes of O2 (at 0 °C and 1 atm). A spark is
introduced to allow the mixture to undergo complete
combustion. The final volume is measured at 0 °C and 1
atm. Which graph best depicts the final volume as a
function of the volume of added O2?
(A)
2.00
1.75
Final Volume, L
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0.00
0.25
0.50
2.00
(B)
1.75
1.50
Final Volume, L
1.25
1.00
0.75
0.50-
0.25
0.00
0.75
1.00
0.00
0.25
Volume O₂ added, L
2
0.50
0.75
1.00
Volume O₂ added, L
2
2.00
2.00
(C)
(D)
1.75
1.75
1.50
1.50
Final Volume, L
1.25
1.00
0.75
0.50
Final Volume, L
1.25
1.00
0.75
0.50
0.25
0.25
0.00
0.00
0.00
0.25
0.50
0.75
1.00
0.00
0.25
Volume O₂ added, L
0.50
0.75
1.00
Volume O₂ added, L
2
Leucine is an essential amino acid with the systematic name 2-amino-3-methylpentanoic acid. It has pai
2.36 and pKa2 = 9.60.
H2N-C(R)H-COOH and R is -CH2-CH(CH3)2
A. Draw the condensed structure for leucine, and label all chirality centers with an asterisk.
B. How many possible stereoisomers of leucine are there?
C. Draw a Fischer projection of L-leucine and label the chirality center(s) as R or S.
D. What is the p/ of leucine?
E. Draw the structure of the predominant form of leucine at 10.00.
F.
Draw the structure of the predominant form of leucine at pH = 1.50.
G. Leucine is described as an essential amino acid. What does this mean?
H. Show the alkyl halide you would use to prepare leucine by the amidomalonate method.
=
Chapter 15 Solutions
Organic Chemistry Study Guide and Solutions
Ch. 15 - Prob. 15.1PCh. 15 - Prob. 15.2PCh. 15 - Prob. 15.3PCh. 15 - Prob. 15.4PCh. 15 - Prob. 15.5PCh. 15 - Prob. 15.6PCh. 15 - Prob. 15.7PCh. 15 - Prob. 15.8PCh. 15 - Prob. 15.9PCh. 15 - Prob. 15.10P
Ch. 15 - Prob. 15.11PCh. 15 - Prob. 15.12PCh. 15 - Prob. 15.13PCh. 15 - Prob. 15.14PCh. 15 - Prob. 15.15PCh. 15 - Prob. 15.16PCh. 15 - Prob. 15.17PCh. 15 - Prob. 15.18PCh. 15 - Prob. 15.19PCh. 15 - Prob. 15.20PCh. 15 - Prob. 15.21PCh. 15 - Prob. 15.22PCh. 15 - Prob. 15.23PCh. 15 - Prob. 15.24PCh. 15 - Prob. 15.25PCh. 15 - Prob. 15.26PCh. 15 - Prob. 15.27PCh. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - Prob. 15.32PCh. 15 - Prob. 15.33PCh. 15 - Prob. 15.34PCh. 15 - Prob. 15.35PCh. 15 - Prob. 15.36PCh. 15 - Prob. 15.37PCh. 15 - Prob. 15.38PCh. 15 - Prob. 15.39PCh. 15 - Prob. 15.40PCh. 15 - Prob. 15.41PCh. 15 - Prob. 15.42APCh. 15 - Prob. 15.43APCh. 15 - Prob. 15.44APCh. 15 - Prob. 15.45APCh. 15 - Prob. 15.46APCh. 15 - Prob. 15.47APCh. 15 - Prob. 15.48APCh. 15 - Prob. 15.49APCh. 15 - Prob. 15.50APCh. 15 - Prob. 15.51APCh. 15 - Prob. 15.52APCh. 15 - Prob. 15.53APCh. 15 - Prob. 15.54APCh. 15 - Prob. 15.55APCh. 15 - Prob. 15.56APCh. 15 - Prob. 15.57APCh. 15 - Prob. 15.58APCh. 15 - Prob. 15.59APCh. 15 - Prob. 15.60APCh. 15 - Prob. 15.61APCh. 15 - Prob. 15.62APCh. 15 - Prob. 15.63APCh. 15 - Prob. 15.64APCh. 15 - Prob. 15.65APCh. 15 - Prob. 15.66APCh. 15 - Prob. 15.67APCh. 15 - Prob. 15.68APCh. 15 - Prob. 15.69APCh. 15 - Prob. 15.70APCh. 15 - Prob. 15.71APCh. 15 - Prob. 15.72APCh. 15 - Prob. 15.73APCh. 15 - Prob. 15.74APCh. 15 - Prob. 15.75APCh. 15 - Prob. 15.76APCh. 15 - Prob. 15.77APCh. 15 - Prob. 15.78APCh. 15 - Prob. 15.79APCh. 15 - Prob. 15.80APCh. 15 - Prob. 15.81APCh. 15 - Prob. 15.82APCh. 15 - Prob. 15.83APCh. 15 - Prob. 15.84APCh. 15 - Prob. 15.85APCh. 15 - Prob. 15.86AP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- a) Write out 6 completely different reactions of acetophenone (reagent, product). b) Write out 3 preparations of 1-methylcyclohexanol, using a different starting material for each one. You may use preps where you just change the functional group, and/or preps where you construct the carbon chain. c) Write out 3 preparations of 2-ethoxybenzoic acid, a different starting material for each one. You may use preps where you just change the functional group, and/or preps where you construct the carbon chain.arrow_forward12. CH3 OH OH H&C CH3 H₂C N OH H₂C CH3 H&C CH3 H₂C' CH3 H.C CH3OH H.C CH2CH3OH CH3CEN Which one of these 17 compounds is represented by this IR and this 'H NMR spectrum? IR Spectrum 3000 4000 3000 NMR Spectrum 2000 £500 RAVENUMBER 2000 1500 9 8 6 5 10 HP-00-290 ppm m 1000 500 1000 4 °arrow_forwardDraw the structure of (E,6R) 6-methoxy-4-hepten-2-one. Give the IUPAC name of this compound, including stereochemistry. Draw the most stable chair conformation of (cis) 1,3-isobutylcyclohexane. H HC=CCH₂ CH2CH3 EN(CH3)2 -CN(CH3)2arrow_forward
- 10. Write out the mechanism (intermediate/transition state) for this reaction; indicate stereochemistry in product. H3C CH₂OH CH3 SN1 Harrow_forwardWrite "most" under the member of each trio which is most stable. Write "least under the member of each trio which is least stable. b) Draw a Fischer projection of a pair of enantiomers with three chiral carbons. Which of these two would you expect to be more soluble in water? Why? 1-butanol 1-heptanol Which of these two would you expect to have the higher boiling point? Why? hexyl methyl ether 1-heptanolarrow_forwardWrite "most" under the most acidic compound. Write "least" under the least acidic compound. OH NO₂ OCH3 Br 9. Compound X, C50H84F2, reacts with excess H2/Pd to give a C50H88F2 compound. How many rings are in X? How many double bonds are in X? Show your work.arrow_forward
- 4. State whether these two are: a) the same molecule b) c) d) different compounds that are not isomers constitutional isomers diastereomers e) enantiomers CH3 CH₁₂ H OH HO H H OH HO H CH, CH₂ 5. a) How many stereocenters does this compound have? b) How many stereoisomers are possible for this compound? CH₂ OH CHCHarrow_forwardCalculating the pH at equivalence of a titration A chemist titrates 210.0 mL of a 0.1003 M hydrobromic acid (HBr) solution with 0.7550M KOH solution at 25 °C. Calculate the pH at equivalence. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added. pH = ] ☑ o0o 18 Ararrow_forwardDo you do chemistry assignmentsarrow_forward
- Using the conditions of spontaneity to deduce the signs of AH and AS Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions A This reaction is always spontaneous, but proceeds slower at temperatures above 120. °C. ΔΗ is (pick one) AS is (pick one) ΔΗ is (pick one) B This reaction is spontaneous except above 117. °C. AS is (pick one) ΔΗ is (pick one) This reaction is slower below 20. °C than C above. AS is |(pick one) ? 18 Ar 1arrow_forwardCalculating the pH at equivalence of a titration Try Again Your answer is incorrect. 0/5 a A chemist titrates 70.0 mL of a 0.7089 M hydrocyanic acid (HCN) solution with 0.4574M KOH solution at 25 °C. Calculate the pH at equivalence. The pK of hydrocyanic acid is 9.21. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added. pH = 11.43] G 00. 18 Ar B•arrow_forwardBiological Macromolecules Naming and drawing the products of aldose oxidation and reduction aw a Fischer projection of the molecule that would produce L-ribonic acid if it were subjected to mildly oxidizing reaction conditions. Click and drag to start drawing a structure. X AP ‡ 1/5 Naor Explanation Check McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibilarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
