PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.
2nd Edition
ISBN: 9781285074788
Author: Ball
Publisher: CENGAGE L
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Chapter 3, Problem 3.41E
The first law of
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K
Problem 22 of 24
Submit
Draw the missing organic structures
in the following multistep synthesis
at physiological pH (pH = 7.4). Ignore
any inorganic byproducts formed.
0
0
ΝΘ
BrCH(CO2CH2CH3)2
Select to Draw
1. NaOCH2CH3 2.
(CH3)2CHCI
Devise electrochemical cells in which the following reactions could be made to occur. If liquid
junctions are necessary, note them in the cell schematic appropriately, but neglect their effects.
(a) H2OH + OH¯
(b) 2H2O2
H₂O
(c) 2PbSO4 + 2H2O
(d) An
TMPD
PыO₂+ Pb + 4H+ + 20%¯¯
An + TMPD (in acetonitrile, where An and An are anthracene and its
anion radical, and TMPD and TMPD are N,N,N',N'-tetramethyl-p-phenylenediamine and its
cation radical. Use anthracene potentials for DMF solutions given in Appendix C.3).
(e) 2Ce3+ + 2H + BQ 2Ce4+ + H2Q (aqueous, where BQ is p-benzoquinone and H₂Q is p-
hydroquinone)
(f) Ag +Agl (aqueous)
(g) Fe3+ + Fe(CN)6 Fe²+ + Fe(CN) (aqueous)
Consider each of the following electrode-solution interfaces, and write the equation for the elec-
trode reaction that occurs first when the potential is moved in (1) a negative direction and (2) a posi-
tive direction from the open-circuit potential. Next to each reaction write the approximate potential
for the reaction in V vs. SCE (assuming the reaction is reversible).
(a) Pt/Cu2+ (0.01 M), Cd2+ (0.01 M), H2SO4(1 M)
(b) Pt/Sn2+ (0.01 M), Sn4+ (0.01 M), HCl(1 M)
(c) Hg/Cd2+ (0.01 M), Zn2+ (0.01 M), HCl(1 M)
Chapter 3 Solutions
PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.
Ch. 3 - Decide whether the following processes will be...Ch. 3 - Try to find one additional example of a...Ch. 3 - Consider the following quantities for a...Ch. 3 - Consider the following quantities for a four-step...Ch. 3 - What is the temperature of the low-temperature...Ch. 3 - What is the temperature of the high - temperature...Ch. 3 - Prob. 3.7ECh. 3 - Explain why the high-temperature reservoir of a...Ch. 3 - Superheated steam is steam with a temperature...Ch. 3 - Prob. 3.10E
Ch. 3 - The Carnot cycle is defined as having a certain...Ch. 3 - In thermodynamics, the pathway in a...Ch. 3 - A refrigerator is the reverse of an engine: Work...Ch. 3 - Efficiency is given by equations 3.5, 3.6, and...Ch. 3 - What is the entropy change for an ideal Carnot...Ch. 3 - What is the entropy change for the melting of...Ch. 3 - What is the entropy change for the solidification...Ch. 3 - Explain why the statement No process is 100...Ch. 3 - What is the change in entropy of 1.00mole of water...Ch. 3 - Prob. 3.20ECh. 3 - One mole of He warms up irreversibly at constant...Ch. 3 - Consider a monatomic ideal gas in a piston...Ch. 3 - A 0.500-mol sample of an ideal gas has an initial...Ch. 3 - SO2 in a piston chamber kept in a...Ch. 3 - A normal breath has a volume of about 1L. The...Ch. 3 - An automobile tire contains 15.6L of air at...Ch. 3 - An automobile tire contains 15.6L of air at...Ch. 3 - A sample of ideal gas from a compressed gas...Ch. 3 - Prob. 3.29ECh. 3 - In Example 3.5, a heat capacity of 20.78J/molK was...Ch. 3 - Prob. 3.31ECh. 3 - 4.00L of Ar and 2.50L of He, each at 298K and...Ch. 3 - Dentists might use a mixture of 40N2O and 60O2 as...Ch. 3 - A 5.33-g piece of Cu metal is heated to 99.7C in...Ch. 3 - A sample of 1.00mol of silver at 150C is placed in...Ch. 3 - Prob. 3.36ECh. 3 - What is the change in entropy when 2.22mol of...Ch. 3 - Estimate the entropy change of an 800-lb engine...Ch. 3 - Calculate the molar entropy change of the gas that...Ch. 3 - A normal breath is about 1L in volume. Assume you...Ch. 3 - The first law of thermodynamics is sometimes...Ch. 3 - Troutons rule states that the entropy of boiling...Ch. 3 - Prob. 3.43ECh. 3 - Argue from Boltzmanns definition for entropy that...Ch. 3 - Prob. 3.45ECh. 3 - Which system has the higher entropy? a A clean...Ch. 3 - Which system has the higher entropy? a 1g of solid...Ch. 3 - The absolute entropy of He at 298.15K is...Ch. 3 - The absolute entropy of Kr at 298.15K is...Ch. 3 - The element helium is thought to remain a liquid...Ch. 3 - Order the following substances in order of...Ch. 3 - The molar entropy change for a process is...Ch. 3 - What is the entropy change of a process if ...Ch. 3 - One mole of ideal gas expands isothermally and...Ch. 3 - Why isnt the entropy of elements in their standard...Ch. 3 - Determine the entropy of formation, fS, of the...Ch. 3 - The thermite reaction has solid aluminum powder...Ch. 3 - Prob. 3.58ECh. 3 - Determine the differences in the rxnS under...Ch. 3 - Calcium carbonate has two crystalline forms,...Ch. 3 - The chemical formula for gasoline can be...Ch. 3 - Prob. 3.62ECh. 3 - Prob. 3.63ECh. 3 - Plants take in CO2(g) and H2O(l) and make glucose,...Ch. 3 - Prob. 3.65ECh. 3 - Prob. 3.66ECh. 3 - Plots of Cp/T versus T are used to determine the...
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- What are the major products of both of the organic reactions. Please be sure to use wedge and dash bonds to show the stereochemistry of the products if it is needed. Please include the final product as well as a digram/drawing to show the mechanism of the reaction.arrow_forwardK Problem 16 of 24 Submit Draw the starting structure that would yield this product under these conditions. Select to Draw 1. NH4Cl, NaCN 2. HCI, H2O, A NH3 + 0arrow_forwardGive detailed me detailed mechanism Solution with explanation needed. Don't give Ai generated solution. avoid handwritten Solutionarrow_forward
- Show work with explanation needed. don't give Ai generated solutionarrow_forwardK Problem 21 of 24 Submit Draw the missing organic structures in the following multistep synthesis. Show the final product at physiological pH (pH = 7.4). Ignore any inorganic byproducts formed. H 0 NH3 Select to Draw HCN H+, H2O Select to Draw Select to Draw Δarrow_forwardShow work with explanation needed. Don't give Ai generated solution. Give correct solutionarrow_forward
- K Problem 23 of 24 Submit Draw the product of the reaction shown below at physiological pH (pH = 7.4). Ignore inorganic byproducts. S O 1. NH3, 2. HCN 3. H+, H₂O, A Select to Drawarrow_forwardGive detailed mechanism Solution with explanation needed..don't give Ai generated solutionarrow_forwardPlease correct answer and don't use hand rating and don't use Ai solutionarrow_forward
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