Chemistry In Focus
7th Edition
ISBN: 9781337399692
Author: Tro, Nivaldo J.
Publisher: Cengage Learning,
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Question
Chapter 15, Problem 28E
Interpretation Introduction
Interpretation:
The reason for the statement “Skin should be moist but not too moist” is to be stated.
Concept Introduction:
Dead cells of the skin are called keratinocytes. It is composed of the fibrous keratin protein. Dead cells are found under the epidermis, that is, the outer layer of the skin
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d) Determine the formal charge on the nitrogen atom in each of the structures.
NH3
NH2
N
C
бобкат
: N
N
H
H
Н
H2N-OH
A
B
C
D
E
F
G
Lewis Structure, Hybridization & Molecular Geometry
a) Draw the Lewis Structure of the molecules; Label the hybridization of each carbon atom;
Predict the approximate molecular geometry around each carbon atom.
CH3CHO
CH3CN
b) Draw the Lewis Structure of Nitromethane; Predict the approximate molecular geometry
around the nitrogen atom.
CH3NO2
c) Draw the Lewis Structure; Label the hybridization of the boron atom; Predict the
approximate molecular geometry.
BF3
BF4
a. The structure of the bicarbonate (hydrogen carbonate) ion, HCO3-, HCO3 " is
best described as a hybrid of several contributing resonance forms, two of which
are shown here.
HO
:0:
HO
+
:Ö:
Bicarbonate is crucial for the control of body pH (for example, blood pH
7.4). A more self-indulgent use is in baking soda, where it serves as a
source of CO2 CO2 gas, which gives bread and pastry their fluffy
constituency.
(i) Draw at least one additional resonance form.
=
(ii) Using curved "electron-pushing" arrows, show how these Lewis structures may
be interconverted by movement of electron pairs. (iii) Determine which form or
forms will be the major contributor(s) to the real structure of bicarbonate,
explaining your answer on the basis of the criteria in Section 1-5.
Chapter 15 Solutions
Chemistry In Focus
Ch. 15 - Prob. 15.1YTCh. 15 - Prob. 1SCCh. 15 - Prob. 2SCCh. 15 - Prob. 3SCCh. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - Prob. 3ECh. 15 - Prob. 4ECh. 15 - Prob. 5ECh. 15 - Prob. 6E
Ch. 15 - Prob. 7ECh. 15 - Prob. 8ECh. 15 - Prob. 9ECh. 15 - Prob. 10ECh. 15 - Prob. 11ECh. 15 - Prob. 12ECh. 15 - Prob. 13ECh. 15 - Define eutrophication.Ch. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - Prob. 19ECh. 15 - What are the three types of interactions that...Ch. 15 - Prob. 21ECh. 15 - Prob. 22ECh. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Prob. 27ECh. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Prob. 35ECh. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - Prob. 44ECh. 15 - Prob. 45ECh. 15 - Prob. 46ECh. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Prob. 48ECh. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - Prob. 52ECh. 15 - Prob. 53ECh. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - Prob. 56ECh. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Prob. 64ECh. 15 - Prob. 65E
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