CHEMISTRY: MOLECULAR. W/ACCESS >IC<
16th Edition
ISBN: 9781323463840
Author: Tro
Publisher: PEARSON C
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Chapter 20, Problem 14E
Interpretation Introduction
Interpretation:
The concept of half-life is to be explained. The type of rate law involves in the radioactivity phenomenon is to be explained.
Concept introduction:
The decay of nuclides of different radioactive elements occurs at different rates.
The emission of the radiation by a single radioactive nuclide is called a decay event.
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Students have asked these similar questions
a. Determine the electrochemical potential of the following cell using
E°Mg2+/Mg = -2.362 V.
Mg | Mg2+ (a=104) || H* (a = 4) | H2 (p
= 0.5 bar) | Pt
b. A galvanic chain consists of Co²+ / Co and Ag+ / Ag half-cells with
EºCo²+/Co = -0.282 V and Eº Ag+/Ag = 0.799 V. Determine which half-cell will be
reduced and which one will be oxidised. Furthermore, calculate the electrochemical
potential as well as the equilibrium constant of the whole cell at
i. [Co²+] = 0.1 M and [Ag+] = 0.5 M
ii. [Co²+] = 0.001 M and [Ag*] = 1.5 M
The equilibrium voltage of the following cell has been measured at 0.522 V at 25 °C.
Pt | H2, g❘ HClaq || AgClaq | Ags
State the redox reactions present in this cell. Calculate the pH value of the electrolyte
solution with KL, AgCl = 1.96 · 10-10 mol² / L². Assume that the concentrations of H+ and
Clare equal.
Here are the energies (in kcal/mol) for staggered and eclipsed interactions
for CH, CC, and CBr bonds
eclipsed (0°) staggered (60°)
bonds
CH/CH
1.0
0.0
CH/CC
1.3
0.0
Br:
CC/CC
3.0
0.9
Br
CH/CBr
1.8
0.0
CC / CBr
3.3
1.0
CBr / CBr
3.7
1.2
a) I've drawn the Newman projection for one of the staggered conformations of the molecule
above, looking down the C2-C3 bond. Draw Newman projections for the other two staggered
and the three eclipsed conformations (in order).
CH₂
H3C.
H'
H
Br
b) Calculate the relative energies for each of the conformations and write them below each
conformation.
Chapter 20 Solutions
CHEMISTRY: MOLECULAR. W/ACCESS >IC<
Ch. 20 - Prob. 1SAQCh. 20 - Prob. 2SAQCh. 20 - Prob. 3SAQCh. 20 - Prob. 4SAQCh. 20 - Prob. 5SAQCh. 20 - Prob. 6SAQCh. 20 - Prob. 7SAQCh. 20 - Prob. 8SAQCh. 20 - Prob. 9SAQCh. 20 - Prob. 10SAQ
Ch. 20 - Prob. 1ECh. 20 - Prob. 2ECh. 20 - Prob. 3ECh. 20 - Prob. 4ECh. 20 - Prob. 5ECh. 20 - Prob. 6ECh. 20 - Prob. 7ECh. 20 - Prob. 8ECh. 20 - Prob. 9ECh. 20 - Prob. 10ECh. 20 - Prob. 11ECh. 20 - Prob. 12ECh. 20 - Prob. 13ECh. 20 - Prob. 14ECh. 20 - Prob. 15ECh. 20 - Prob. 16ECh. 20 - Prob. 17ECh. 20 - Prob. 18ECh. 20 - Prob. 19ECh. 20 - Prob. 20ECh. 20 - Prob. 21ECh. 20 - Prob. 22ECh. 20 - Prob. 23ECh. 20 - Prob. 24ECh. 20 - Prob. 25ECh. 20 - Prob. 26ECh. 20 - Prob. 27ECh. 20 - Prob. 28ECh. 20 - Prob. 29ECh. 20 - Prob. 30ECh. 20 - Prob. 31ECh. 20 - Prob. 32ECh. 20 - Prob. 33ECh. 20 - Prob. 34ECh. 20 - Prob. 35ECh. 20 - Prob. 36ECh. 20 - Prob. 37ECh. 20 - Prob. 38ECh. 20 - Prob. 39ECh. 20 - Prob. 40ECh. 20 - Prob. 41ECh. 20 - Prob. 42ECh. 20 - Prob. 43ECh. 20 - Prob. 44ECh. 20 - Prob. 45ECh. 20 - Prob. 46ECh. 20 - Prob. 47ECh. 20 - Prob. 48ECh. 20 - Prob. 49ECh. 20 - Prob. 50ECh. 20 - Prob. 51ECh. 20 - Prob. 52ECh. 20 - Prob. 53ECh. 20 - Prob. 54ECh. 20 - Prob. 55ECh. 20 - Prob. 56ECh. 20 - Prob. 57ECh. 20 - Prob. 58ECh. 20 - Prob. 59ECh. 20 - Prob. 60ECh. 20 - Prob. 61ECh. 20 - Prob. 62ECh. 20 - Prob. 63ECh. 20 - Prob. 64ECh. 20 - Prob. 65ECh. 20 - Prob. 66ECh. 20 - Prob. 67ECh. 20 - Prob. 68ECh. 20 - Prob. 69ECh. 20 - Prob. 70ECh. 20 - Prob. 71ECh. 20 - Prob. 72ECh. 20 - Prob. 73ECh. 20 - Prob. 74ECh. 20 - Prob. 75ECh. 20 - Prob. 76ECh. 20 - Prob. 77ECh. 20 - Prob. 78ECh. 20 - Prob. 79ECh. 20 - Prob. 80ECh. 20 - Prob. 81ECh. 20 - Prob. 82ECh. 20 - Prob. 83ECh. 20 - Prob. 84ECh. 20 - Prob. 85ECh. 20 - Prob. 86ECh. 20 - Prob. 87ECh. 20 - Prob. 88ECh. 20 - Prob. 89ECh. 20 - Prob. 90ECh. 20 - Prob. 91ECh. 20 - Prob. 92ECh. 20 - Prob. 93ECh. 20 - Prob. 94ECh. 20 - Prob. 95ECh. 20 - Prob. 96ECh. 20 - Prob. 97ECh. 20 - Prob. 98ECh. 20 - Prob. 99ECh. 20 - Prob. 100ECh. 20 - Prob. 101ECh. 20 - Prob. 102ECh. 20 - Prob. 103ECh. 20 - Prob. 104ECh. 20 - Prob. 105ECh. 20 - Prob. 106ECh. 20 - Prob. 107ECh. 20 - Prob. 108ECh. 20 - Prob. 109ECh. 20 - Prob. 110QGWCh. 20 - Prob. 111QGWCh. 20 - Prob. 112QGWCh. 20 - Prob. 113QGWCh. 20 - Prob. 114QGWCh. 20 - Prob. 115DIA
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