
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Textbook Question
Chapter 20, Problem 38E
Write two complete balanced equations for each of the following reactions, one using condensed formulas and one using Lewis structures.
(a) propanol is convened to dipropyl ether.
(b) propene is treated with water in dilute acid.
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LTS
Solid:
AT=Te-Ti
Trial 1
Trial 2
Trial 3
Average
ΔΗ
Mass water, g
24.096
23.976
23.975
Moles of solid, mol
0.01763
001767
0101781
Temp. change, °C
2.9°C
11700
2.0°C
Heat of reaction, J
-292.37J -170.473
-193.26J
AH, kJ/mole
16.58K 9.647 kJ 10.85 kr
16.58K59.64701
KJ
mol
12.35k
Minimum AS,
J/mol K
41.582
mol-k
Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn &
Show your calculations for:
AH in J and then in kJ/mole for Trial 1:
qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J
qsin =
qrxn =
292.35 292.37J
AH in J = 292.375 0.2923kJ
0.01763m01
=1.65×107
AH in kJ/mol =
=
16.58K
0.01763mol
mol
qrx
Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con
Kelvin.)
AS=AHIT
(1.65×10(9.64×103) + (1.0
Jimai
For the compound: C8H17NO2
Use the following information to come up with a plausible structure:
8
This compound has "carboxylic acid amide" and ether functional groups.
The peaks at 1.2ppm are two signals that are overlapping one another.
One of the two signals is a doublet that represents 6 hydrogens; the
other signal is a quartet that represents 3 hydrogens.
Vnk the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest bolling
point, choose 2 next to the substance with the next highest boiling point, and so on.
substance
C
D
chemical symbol,
chemical formula
or Lewis structure.
CH,-N-CH,
CH,
H
H 10: H
C-C-H
H H H
Cale
H 10:
H-C-C-N-CH,
Bri
CH,
boiling point
(C)
Сен
(C) B
(Choose
Chapter 20 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 20 - Write the chemical formula and Lewis structure of...Ch. 20 - What is the difference between the hybridization...Ch. 20 - On a microscopic level, how does the reaction of...Ch. 20 - On a microscopic level, how does the reaction of...Ch. 20 - Explain why unbranched alkenes can form geometric...Ch. 20 - Explain why these two molecules are not isomers:Ch. 20 - Explain why these two molecules are not isomers:Ch. 20 - How does the carbon-atom hybridization change when...Ch. 20 - Write the Lewis structure and molecular formula...Ch. 20 - Write the chemical formula, condensed formula, and...
Ch. 20 - Give the complete IUPAC name for each of the...Ch. 20 - Give the complete IUPAC name for each of the...Ch. 20 - Butane is used as a fuel in disposable lighters....Ch. 20 - Write Lewis structures and name the five...Ch. 20 - Write Lewis structures for the Cis -trans isomers...Ch. 20 - Write structures for the three isomers of the...Ch. 20 - Isooctane is the common name of the isomer of...Ch. 20 - Write Lewis structures and IUPAC names for the...Ch. 20 - Write Lewis structures and IUPAC names for all...Ch. 20 - Name and write the structures of all isomers of...Ch. 20 - Write the structures for all the isomers of the...Ch. 20 - Write Lewis structures and describe the molecular...Ch. 20 - Benzene is one of the compounds used as an octane...Ch. 20 - Teflon is prepared by the polymerization of...Ch. 20 - Write two complete, balanced equations for each of...Ch. 20 - Write two complete, balanced equations for each of...Ch. 20 - What mass of 2-bromopropane could be prepared from...Ch. 20 - Acetylene is a very weak acid; however, it will...Ch. 20 - Ethylene can be produced by the pyrolysis of...Ch. 20 - Why do the compounds hexane, hexanol, and hexane...Ch. 20 - Write condensed formulas and provide IUPAC names...Ch. 20 - Give the complete IUPAC name for each of the...Ch. 20 - Give the complete IUPAC name and the common name...Ch. 20 - Write the condensed structures of both isomers...Ch. 20 - Write the condensed structures of all isomers with...Ch. 20 - Draw the condensed formulas for each of the...Ch. 20 - MTBE, Methyl tert -butyl ether, CH3OC(CH3)3, is...Ch. 20 - Write two complete balanced equations for each of...Ch. 20 - Write two complete balanced equations for each of...Ch. 20 - Order the following molecules from least to most...Ch. 20 - Predict the products of oxidizing the molecules...Ch. 20 - Predict the products of reducing the following...Ch. 20 - Explain why it is not possible to possible a...Ch. 20 - How does hybridization of the substituted carbon...Ch. 20 - Fatty acids are carboxylic acids that have long...Ch. 20 - Write a condensed structural formula, such as...Ch. 20 - Write a condensed structural formula, such as...Ch. 20 - The foul odor of rancid butter is caused by...Ch. 20 - Write the two-resonance structures for the acetate...Ch. 20 - Write two complete, balanced equations for each of...Ch. 20 - Write two complete balanced equations for each of...Ch. 20 - Yields in organic reactions are sometimes low....Ch. 20 - Alcohols A, B and C all have the composition C4H...Ch. 20 - Write the Lewis structures of both isomers with...Ch. 20 - What is the molecular structure about the nitrogen...Ch. 20 - Write the two resonance structures for the...Ch. 20 - Draw Lewis structures for pyridine and its...Ch. 20 - Write the Lewis structures of all isomers with the...Ch. 20 - Write two complete balanced equations for the...Ch. 20 - Write two complete, balanced equations for each of...Ch. 20 - Identify any carbon atoms that change...Ch. 20 - Identify any carbon atoms that change...Ch. 20 - Identify any carbon atoms that change...
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