Chemistry Principles And Practice
3rd Edition
ISBN: 9781305295803
Author: David Reger; Scott Ball; Daniel Goode
Publisher: Cengage Learning
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Chapter 20, Problem 20.27QE
Interpretation Introduction
Interpretation:
The realization which led Bartlett to prepare the first compound of a noble gas has to be given.
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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 Principles And Practice
Ch. 20 - Prob. 20.1QECh. 20 - Prob. 20.2QECh. 20 - Prob. 20.3QECh. 20 - Prob. 20.4QECh. 20 - Prob. 20.5QECh. 20 - Prob. 20.6QECh. 20 - Prob. 20.7QECh. 20 - Prob. 20.8QECh. 20 - Prob. 20.9QECh. 20 - Prob. 20.10QE
Ch. 20 - Prob. 20.11QECh. 20 - Prob. 20.12QECh. 20 - Prob. 20.13QECh. 20 - Prob. 20.14QECh. 20 - Prob. 20.15QECh. 20 - Prob. 20.16QECh. 20 - Prob. 20.17QECh. 20 - Prob. 20.18QECh. 20 - Prob. 20.19QECh. 20 - Prob. 20.20QECh. 20 - Prob. 20.21QECh. 20 - Prob. 20.23QECh. 20 - Prob. 20.24QECh. 20 - Prob. 20.25QECh. 20 - Prob. 20.26QECh. 20 - Prob. 20.27QECh. 20 - Prob. 20.28QECh. 20 - Prob. 20.30QECh. 20 - Prob. 20.31QECh. 20 - Prob. 20.32QECh. 20 - Prob. 20.33QECh. 20 - Prob. 20.34QECh. 20 - Prob. 20.35QECh. 20 - Prob. 20.36QECh. 20 - Prob. 20.37QECh. 20 - Prob. 20.38QECh. 20 - Prob. 20.39QECh. 20 - Prob. 20.40QECh. 20 - Prob. 20.41QECh. 20 - Prob. 20.42QECh. 20 - Prob. 20.43QECh. 20 - Prob. 20.44QECh. 20 - Prob. 20.46QECh. 20 - Prob. 20.47QECh. 20 - Prob. 20.49QECh. 20 - Prob. 20.50QECh. 20 - Prob. 20.51QECh. 20 - Prob. 20.52QECh. 20 - Prob. 20.53QECh. 20 - Prob. 20.54QECh. 20 - Prob. 20.55QECh. 20 - Prob. 20.56QECh. 20 - Prob. 20.57QECh. 20 - Prob. 20.58QECh. 20 - Prob. 20.59QECh. 20 - Prob. 20.60QECh. 20 - Prob. 20.61QECh. 20 - Prob. 20.62QECh. 20 - Prob. 20.63QECh. 20 - Prob. 20.64QECh. 20 - Prob. 20.65QECh. 20 - Prob. 20.66QECh. 20 - Prob. 20.67QECh. 20 - Prob. 20.68QECh. 20 - Prob. 20.69QECh. 20 - Prob. 20.70QECh. 20 - Prob. 20.71QECh. 20 - Prob. 20.72QECh. 20 - Prob. 20.73QECh. 20 - Prob. 20.74QECh. 20 - Prob. 20.75QECh. 20 - Prob. 20.76QECh. 20 - Prob. 20.77QECh. 20 - Prob. 20.78QECh. 20 - Prob. 20.79QECh. 20 - Prob. 20.80QECh. 20 - Prob. 20.82QECh. 20 - Prob. 20.83QECh. 20 - Prob. 20.84QE
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