The observations of given experiments done by the aqueous solutions of Cu 2+ and Zn 2+ with Zn and Cu strips should be given. Concept introduction: Standard reduction potential E ° : The reduction potential of an electrode at 25°C Temperature ,1 atm Pressure and 1M Concentration is known as Standard reduction potential E ° (SRP). The higher positive SPR having species are oxidizes the lowest SRP containing species spontaneously. The less positive SPR having species are reduces the higher SRP containing species spontaneously.
The observations of given experiments done by the aqueous solutions of Cu 2+ and Zn 2+ with Zn and Cu strips should be given. Concept introduction: Standard reduction potential E ° : The reduction potential of an electrode at 25°C Temperature ,1 atm Pressure and 1M Concentration is known as Standard reduction potential E ° (SRP). The higher positive SPR having species are oxidizes the lowest SRP containing species spontaneously. The less positive SPR having species are reduces the higher SRP containing species spontaneously.
Solution Summary: The author explains that the standard reduction potential of Zn is E° (SRP). The higher positive SPR having species oxidizes the lowest SRP containing species spontaneously.
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 19 Solutions
Student Solutions Manual for Ebbing/Gammon's General Chemistry, 11th
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell