Chemistry In Focus
6th Edition
ISBN: 9781305544727
Author: Tro
Publisher: Cengage
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Textbook Question
Chapter 4, Problem 62E
For each space-filling molecular model, write a chemical formula. Carbon atoms are black, hydrogen atoms are white, oxygen atoms are red, and nitrogen atoms are blue.
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10.
Stereochemistry. Assign R/S stereochemistry for the chiral center indicated on the
following compound. In order to recieve full credit, you MUST SHOW YOUR WORK!
H₂N
CI
OH
CI
カー
11. () Stereochemistry. Draw all possible stereoisomers of the following compound. Assign
R/S configurations for all stereoisomers and indicate the relationship between each as
enantiomer, diastereomer, or meso.
NH2
H
HNH,
-18
b)
8.
Indicate whether the following carbocation rearrangements are likely to occur
Please explain your rational using 10 words or less
not likely to occur
• The double bond is still in the
Same position
+
Likely
to oc
occur
WHY?
-3
H3C
Brave
Chair Conformers. Draw the chair conformer of the following substituted
cyclohexane. Peform a RING FLIP and indicate the most stable
conformation and briefly explain why using 20 words or less.
CI
2
-cobs ??
MUST INDICATE H -2
-2
Br
EQ
Cl
OR
AT
Br
H&
most stable
WHY?
- 4
CH
12
Conformational Analysis. Draw all 6 conformers (one above each letter) of the
compound below looking down the indicated bond. Write the letter of the
conformer with the HIGHEST and LOWEST in energies on the lines provided.
NOTE: Conformer A MUST be the specific conformer of the structure as drawn below
-4 NOT
HOH
OH
3
Conformer A:
Br
OH
A
Samo
Br H
04
Br
H
H3
CH₂
H
anti
stagere
Br CH
clipsed
H
Brott
H
IV
H
MISSING 2
-2
B
C
D
E
F
X
6
Conformer with HIGHEST ENERGY:
13. (1
structure
LOWEST ENERGY:
Nomenclature. a) Give the systematic (IUPAC) name structure. b) Draw the
corresponding to this name. HINT: Do not forget to indicate stereochemistry
when applicable.
a)
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2
"Br
{t༐B,gt)-bemn€-nehpརི་ཚ༐lnoa
Parent name (noname)
4 Bromo
Sub = 2-methylethyl-4 Bromo nonane
b) (3R,4S)-3-chloro-4-ethyl-2,7-dimethyloctane
# -2
-2
Chapter 4 Solutions
Chemistry In Focus
Ch. 4 - Interpreting Chemical Formulas Determine the...Ch. 4 - Prob. 4.2YTCh. 4 - Prob. 4.3YTCh. 4 - Prob. 4.4YTCh. 4 - Calculating Formula Mass Calculate the formula...Ch. 4 - Using the Molar Mass to Find the Number of...Ch. 4 - Prob. 4.7YTCh. 4 - Chemical Formulas as Conversion Factors (Mass to...Ch. 4 - Prob. 4.9YTCh. 4 - Prob. 4.10YT
Ch. 4 - Using Chemical Equation Coefficients as Conversion...Ch. 4 - Classify each compound as ionic or molecular. LiBr...Ch. 4 - Prob. 2SCCh. 4 - What is wrong with the following compound names?...Ch. 4 - Prob. 4SCCh. 4 - The coefficients in the chemical reaction 2A+3B...Ch. 4 - Prob. 6SCCh. 4 - In Chapter 3, we learned that all matter is...Ch. 4 - Name some common everyday compounds.Ch. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - Prob. 5ECh. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - What is the difference between a common name for a...Ch. 4 - Prob. 9ECh. 4 - Prob. 10ECh. 4 - Prob. 11ECh. 4 - Prob. 12ECh. 4 - Prob. 13ECh. 4 - Prob. 14ECh. 4 - Why must chemical equations be balanced?Ch. 4 - Explain the numerical relationships inherent in a...Ch. 4 - Chemical Formulas Determine the number of each...Ch. 4 - Determine the number of each type of atom in each...Ch. 4 - Classify each compound as ionic or molecular:...Ch. 4 - Classify each compound as ionic or molecular:...Ch. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Give a chemical formula for each compound: a....Ch. 4 - Give a chemical formula for each compound: a....Ch. 4 - Prob. 29ECh. 4 - Calculate the formula mass for each compound:...Ch. 4 - The formula mass of an unknown compound containing...Ch. 4 - The formula mass of an unknown compound containing...Ch. 4 - Mole Conversions How many moles of CO2 are...Ch. 4 - What is the mass of 2.55 moles of water?Ch. 4 - The active ingredient in aspirin is...Ch. 4 - The active ingredient in Tylenol is acetaminophen...Ch. 4 - Calculate the number of water molecules (H2O) in...Ch. 4 - Acetone (C3H6O) is used as nail polish remover. If...Ch. 4 - Determine the number of sugar molecules in 7.5 g...Ch. 4 - One drop of water from a medicine dropper has a...Ch. 4 - How many chlorine atoms are in each of the...Ch. 4 - How many hydrogen atoms are in each of the...Ch. 4 - Prob. 43ECh. 4 - Find the number of moles of nitrogen in each of...Ch. 4 - The U.S. Food and Drug Administration recommends...Ch. 4 - The scientific consensus indicates that adults...Ch. 4 - Determine the mass of iron (in kilograms)...Ch. 4 - Determine the mass of carbon (in kilograms)...Ch. 4 - Balancing Chemical Equations Balance each chemical...Ch. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - Prob. 52ECh. 4 - Water can be synthesized according to the...Ch. 4 - Billions of pounds of urea, CO(NH2)2, are produced...Ch. 4 - Prob. 55ECh. 4 - Prob. 56ECh. 4 - Prob. 57ECh. 4 - Prob. 58ECh. 4 - Prob. 61ECh. 4 - For each space-filling molecular model, write a...Ch. 4 - For each chemical reaction, draw in the missing...
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- in the scope of the SCH4U course! please show all steps as im still learning how to format my answers in the format given, thank you!arrow_forwardhelp me solve this HWarrow_forwardMolecules of the form AH2 can exist in two potential geometries: linear or bent. Construct molecular orbital diagrams for linear and bent CH2. Identify the relevant point group, include all of the appropriate symmetry labels and pictures, and fill in the electrons. Which geometry would you predict to be more stable, and why? (Please draw out the diagram and explain)arrow_forward
- Indicate the variation in conductivity with concentration in solutions of strong electrolytes and weak electrolytes.arrow_forwardThe molar conductivity of a very dilute solution of NaCl has been determined. If it is diluted to one-fourth of the initial concentration, qualitatively explain how the molar conductivity of the new solution will compare with the first.arrow_forwardWhat does the phrase mean, if instead of 1 Faraday of electricity, Q coulombs (Q/F Faradays) pass through?arrow_forward
- What characteristics should an interface that forms an electrode have?arrow_forwardFor a weak acid AcH, calculate the dissociated fraction (alpha), if its concentration is 1.540 mol L-1 and the concentration [H+] is 5.01x10-4 mol L-1.arrow_forwardIf the molar conductivity at infinite dilution of HAC is A0 = 390.5 S cm² mol¹. Calculate the Arrhenius conductivity of a 9.3% by weight solution of HAc with a pH of 3.3. Data: molecular weight of HAC is 60.05 g/mol and the density of the solution is 1 g/cm³.arrow_forward
- If the molar conductivity at infinite dilution of HAC is A0 = 390.5 S cm² mol¹. Calculate the Arrhenius conductivity of a 9.3% by weight solution of HAc with a pH of 3.3. Data: molecular weight of HAC is 60.05 g/mol and the density of the solution is 1 g/cm³.arrow_forwardIf the molar conductivity at infinite dilution of HAC is A0 = 390.5 S cm² mol¹. Calculate the Arrhenius conductivity of a 9.3% by weight solution of HAc with a pH of 3.3. Data: molecular weight of HAC is 60.05 g/mol and the density of the solution is 1 g/cm³.arrow_forwardDetermine the distance between the metal and the OHP layer using the Helm- holtz model when the electrode's differential capacitance is 145 μF cm². DATA: dielectric constant of the medium for the interfacial zone &r= lectric constant of the vacuum &0 = 8.85-10-12 F m-1 = 50, die-arrow_forward
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