CHEMISTRY 1111 LAB MANUAL >C<
1st Edition
ISBN: 9781307092097
Author: Chang
Publisher: MCG/CREATE
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Textbook Question
Chapter 1, Problem 1.46QP
The speed limit on parts of the German autobahn was once set at 286 kilometers per hour (km/h). Calculate the speed limit in miles per hour (mph).
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You have now performed a liquid-liquid extraction protocol in Experiment 4. In doing so, you
manipulated and exploited the acid-base chemistry of one or more of the compounds in your
mixture to facilitate their separation into different phases. The key to understanding how liquid-
liquid extractions work is by knowing which layer a compound is in, and in what protonation state.
The following liquid-liquid extraction is different from the one you performed in Experiment
4, but it uses the same type of logic. Your task is to show how to separate apart Compound
A and Compound B.
. Complete the following flowchart of a liquid-liquid extraction. Handwritten work is
encouraged.
•
Draw by hand (neatly) only the appropriate organic compound(s) in the boxes.
.
Specify the reagent(s)/chemicals (name is fine) and concentration as required in Boxes 4
and 5.
•
Box 7a requires the solvent (name is fine).
•
Box 7b requires one inorganic compound.
• You can neatly complete this assignment by hand and…
b) Elucidate compound D w) mt at 170 nd shows c-1 stretch at 550cm;'
The compound has the ff electronic transitions: 0%o* and no a*
1H NMR Spectrum
(CDCl3, 400 MHz)
3.5
3.0
2.5
2.0
1.5
1.0
0.5 ppm
13C{H} NMR Spectrum
(CDCl3, 100 MHz)
Solvent
80
70
60
50
40
30
20
10
0 ppm
ppm
¹H-13C me-HSQC Spectrum
ppm
(CDCl3, 400 MHz)
5
¹H-¹H COSY Spectrum
(CDCl3, 400 MHz)
0.5
10
3.5
3.0
2.5
2.0
1.5 1.0
10
15
20
20
25
30
30
-35
-1.0
1.5
-2.0
-2.5
3.0
-3.5
0.5
ppm
3.5
3.0
2.5
2.0
1.5
1.0
0.5
ppm
Show work with explanation. don't give Ai generated solution
Chapter 1 Solutions
CHEMISTRY 1111 LAB MANUAL >C<
Ch. 1.3 - Which of the following statements is true? (a) A...Ch. 1.4 - Which of the following diagrams represent elements...Ch. 1.5 - An ice cube is placed in a closed container. On...Ch. 1.6 - The diagram in (a) shows a compound made up of...Ch. 1.7 - A piece of platinum metal with a density of 21.5...Ch. 1.7 - The density of sulfuric acid in a certain car...Ch. 1.7 - Convert (a) 327.5C (the melting point of lead) to...Ch. 1.7 - The density of copper is 8.94 g/cm3 at 20C and...Ch. 1.8 - Determine the number of significant figures in...Ch. 1.8 - Carry out the following arithmetic operations and...
Ch. 1.8 - Give the length of the pencil with proper...Ch. 1.9 - A roll of aluminum foil has a mass of 1.07 kg....Ch. 1.9 - The volume of a room is 1.08 108 dm3. What is the...Ch. 1.9 - The density of the lightest metal, lithium (Li),...Ch. 1.9 - Review of Concepts
The Food and Drug...Ch. 1.10 - Prob. 9PECh. 1 - Explain what is meant by the scientific method.Ch. 1 - What is the difference between qualitative data...Ch. 1 - Classify the following as qualitative or...Ch. 1 - Classify each of the following statements as a...Ch. 1 - Give an example for each of the following terms:...Ch. 1 - Give an example of a homogeneous mixture and an...Ch. 1 - Using examples, explain the difference between a...Ch. 1 - How does an intensive property differ from an...Ch. 1 - Give an example of an element and a compound. How...Ch. 1 - What is the number of known elements?Ch. 1 - Do the following statements describe chemical or...Ch. 1 - Does each of the following describe a physical...Ch. 1 - Give the names of the elements represented by the...Ch. 1 - Give the chemical symbols for the following...Ch. 1 - Classify each of the following substances as an...Ch. 1 - Classify each of the following as an element, a...Ch. 1 - Name the SI base units that are important in...Ch. 1 - Write the numbers represented by the following...Ch. 1 - What units do chemists normally use for density of...Ch. 1 - Describe the three temperature scales used in the...Ch. 1 - Bromine is a reddish-brown liquid. Calculate its...Ch. 1 - The density of methanol, a colorless organic...Ch. 1 - Convert the following temperatures to degrees...Ch. 1 - Prob. 1.24QPCh. 1 - Convert the following temperatures to kelvin: (a)...Ch. 1 - Convert the following temperatures to degrees...Ch. 1 - What is the advantage of using scientific notation...Ch. 1 - Define significant figure. Discuss the importance...Ch. 1 - Express the following numbers in scientific...Ch. 1 - Prob. 1.30QPCh. 1 - Express the answers to the following calculations...Ch. 1 - Express the answers to the following calculations...Ch. 1 - Prob. 1.33QPCh. 1 - How many significant figures are there in each of...Ch. 1 - Carry out the following operations as if they were...Ch. 1 - Carry out the following operations as if they were...Ch. 1 - Three students (A, B, and C) are asked to...Ch. 1 - Three apprentice tailors (X, Y, and Z) are...Ch. 1 - Carry out the following conversions: (a) 22.6 m to...Ch. 1 - Carry out the following conversions: (a) 242 lb to...Ch. 1 - The average speed of helium at 25C is 1255 m/s....Ch. 1 - How many seconds are there in a solar year (365.24...Ch. 1 - Prob. 1.43QPCh. 1 - A jogger runs a mile in 8.92 min. Calculate the...Ch. 1 - A 6.0-ft person weighs 168 lb. Express this...Ch. 1 - The speed limit on parts of the German autobahn...Ch. 1 - Prob. 1.47QPCh. 1 - Prob. 1.48QPCh. 1 - Prob. 1.49QPCh. 1 - Carry out the following conversions: (a) 70 kg,...Ch. 1 - Aluminum is a lightweight metal (density = 2.70...Ch. 1 - Ammonia gas is used as a refrigerant in...Ch. 1 - Prob. 1.53QPCh. 1 - Which of the following statements describe...Ch. 1 - Prob. 1.55QPCh. 1 - In determining the density of a rectangular metal...Ch. 1 - Calculate the mass of each of the following: (a) a...Ch. 1 - A cylindrical glass bottle 21.5 cm in length is...Ch. 1 - The following procedure was used to determine the...Ch. 1 - Prob. 1.60QPCh. 1 - A piece of silver (Ag) metal weighing 194.3 g is...Ch. 1 - Prob. 1.62QPCh. 1 - A lead sphere of diameter 48.6 cm has a mass of...Ch. 1 - Lithium is the least dense metal known (density:...Ch. 1 - Prob. 1.65QPCh. 1 - Vanillin (used to flavor vanilla ice cream and...Ch. 1 - At what temperature does the numerical reading on...Ch. 1 - Prob. 1.68QPCh. 1 - A resting adult requires about 240 mL of pure...Ch. 1 - (a) Referring to Problem 1.71, calculate the total...Ch. 1 - Three different 25.0-g samples of solid pellets...Ch. 1 - Prob. 1.72QPCh. 1 - Prob. 1.73QPCh. 1 - The surface area and average depth of the Pacific...Ch. 1 - The unit troy ounce is often used for precious...Ch. 1 - Prob. 1.76QPCh. 1 - Prob. 1.77QPCh. 1 - The natural abundances of elements in the human...Ch. 1 - The mens world record for running a mile outdoors...Ch. 1 - Prob. 1.80QPCh. 1 - Chalcopyrite, the principal ore of copper (Cu),...Ch. 1 - Prob. 1.82QPCh. 1 - Prob. 1.83QPCh. 1 - Measurements show that 1.0 g of iron (Fe) contains...Ch. 1 - The thin outer layer of Earth, called the crust,...Ch. 1 - Prob. 1.86QPCh. 1 - One gallon of gasoline in an automobiles engine...Ch. 1 - A sheet of aluminum (Al) foil has a total area of...Ch. 1 - Prob. 1.89QPCh. 1 - Chlorine is used to disinfect swimming pools. The...Ch. 1 - An aluminum cylinder is 10.0 cm in length and has...Ch. 1 - Prob. 1.92QPCh. 1 - Prob. 1.93QPCh. 1 - Prob. 1.94QPCh. 1 - A human brain weighs about 1 kg and contains about...Ch. 1 - Prob. 1.96QPCh. 1 - A bank teller is asked to assemble one-dollar sets...Ch. 1 - A graduated cylinder is filled to the 40.00-mL...Ch. 1 - Prob. 1.99QPCh. 1 - Prob. 1.100QPCh. 1 - Prob. 1.101QPCh. 1 - Prob. 1.102QPCh. 1 - Tums is a popular remedy for acid indigestion. A...Ch. 1 - A 250-mL glass bottle was filled with 242 mL of...Ch. 1 - What is the mass of one mole of ants? (Useful...Ch. 1 - How much time (in years) does an So-year-old...Ch. 1 - Estimate the daily amount of water (in gallons)...Ch. 1 - Public bowling alleys generally stock bowling...Ch. 1 - Fusing nanofibers with diameters of 100 to 300 nm...Ch. 1 - Prob. 1.110IMECh. 1 - Estimate the total amount of ocean water in...Ch. 1 - Estimate the volume of blood in an adult in...Ch. 1 - Prob. 1.113IMECh. 1 - Estimate the distance (in miles) covered by an NBA...Ch. 1 - In water conservation, chemists spread a thin film...
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- Redraw the flowchartarrow_forwardredraw the flowchart with boxes and molecules written in themarrow_forwardPart I. a) Elucidate the structure of compound A using the following information. • mass spectrum: m+ = 102, m/2=57 312=29 • IR spectrum: 1002.5 % TRANSMITTANCE Ngg 50 40 30 20 90 80 70 60 MICRONS 5 8 9 10 12 13 14 15 16 19 1740 cm M 10 0 4000 3600 3200 2800 2400 2000 1800 1600 13 • CNMR 'H -NMR Peak 8 ppm (H) Integration multiplicity a 1.5 (3H) triplet b 1.3 1.5 (3H) triplet C 2.3 1 (2H) quartet d 4.1 1 (2H) quartet & ppm (c) 10 15 28 60 177 (C=0) b) Elucidate the structure of compound B using the following information 13C/DEPT NMR 150.9 MHz IIL 1400 WAVENUMBERS (CM-1) DEPT-90 DEPT-135 85 80 75 70 65 60 55 50 45 40 35 30 25 20 ppm 1200 1000 800 600 400arrow_forward
- • Part II. a) Elucidate The structure of compound c w/ molecular formula C10 11202 and the following data below: • IR spectra % TRANSMITTANCE 1002.5 90 80 70 60 50 40 30 20 10 0 4000 3600 3200 2800 2400 2000 1800 1600 • Information from 'HAMR MICRONS 8 9 10 11 14 15 16 19 25 1400 WAVENUMBERS (CM-1) 1200 1000 800 600 400 peak 8 ppm Integration multiplicity a 2.1 1.5 (3H) Singlet b 3.6 1 (2H) singlet с 3.8 1.5 (3H) Singlet d 6.8 1(2H) doublet 7.1 1(2H) doublet Information from 13C-nmR Normal carbon 29ppm Dept 135 Dept -90 + NO peak NO peak 50 ppm 55 ppm + NO peak 114 ppm t 126 ppm No peak NO peak 130 ppm t + 159 ppm No peak NO peak 207 ppm по реак NO peakarrow_forwardCould you redraw these and also explain how to solve them for me pleasarrow_forwardNonearrow_forward
- Draw the curved-arrow mechanism with the drawings of the molecules, not just abbreviations. -NO₂ Sn, HCl (aq) E D H (CH3CO)₂O -NH2 CH3arrow_forwardWhat is/are the product(s) of the following reaction? Select all that apply. * HI A B C OD OH A B OH D Carrow_forwardIn the image, the light blue sphere represents a mole of hydrogen atoms, the purple or teal spheres represent a mole of a conjugate base. A light blue sphere by itself is H+. Assuming there is 2.00 L of solution, answer the following: The Ka of the left & right solution is? The pH of the left & right solution is? The acid on the left & right is what kind of acid?arrow_forward
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