Sn2 reactions Study guides, Class notes & Summaries
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BIO Practice Test #1|45 Questions with Verified Answers,100% CORRECT
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BIO Practice Test #1|45 Questions with Verified Answers 
 
Relationship between isoelectric point and ph? - CORRECT ANSWER The lower the pH the lower the isoelectric point 
 
What moves in the mobile phase? - CORRECT ANSWER The mobile phase is non polar. So non polar molecules move in the mobile phase ("like dissolves like" 
 
A cell has a -70 mV from the exterior to the interior, where is the potential the highest? In what direction do the electric field lines point? - CORRECT ANSWER Because ...
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CHEM133 Week 7 Midterm Exam: 100% Score
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1.	Question: Suppose a house has a floor area of 2,250 square feet. What is this area in units of square centimeters? 
2.	Question: A piece of antimony with a mass of 17.41 g is submerged in 46.3 cm3 of water in a graduated cylinder. The water level increases to 48.9 cm3. The correct value for the density of antimony from these data is: 
3.	Question: Liquid nitrogen boils at –195.8°C. Express the boiling point of liquid nitrogen in kelvin. 
4.	Question: What is the volume, in cubic centimeter...
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C325 Exam 5 HMW Questions and Correct Solutions 2024
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C325 Exam 5 HMW Questions and Correct 
Solutions 2024 
Give an example of a half-cell. The absolute potential of a half-cell cannot be measured directly. How can 
the potential be measured? - Answer -Cu(s)| Cu2+ (0.05 M) 
Sn(s)|Sn2+ (0.1M) 
The potential of a half cell can be measured indirectly by connecting the half cell to another half cell of 
known potential. If the other half cell is the SHE, the potential measure will be the "standard potential". 
A salt of two monovalent ions M and A i...
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AAMC MCAT Practice Exam 1 Questions and Answers 2024
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AAMC MCAT Practice Exam 1 Questions and Answers 2024 
In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the 
stationary phase. What was the principal factor determining the migration of individual 
components in the sample? 
A) Hydrogen bonding 
B) Solute concentration 
C) Stationary phase concentration 
D) Thickness of paper -Answer-A) Hydrogen bonding 
The answer to this question is A because the relative amount of hydrogen bonding to the 
stationary phas...
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MCAT Practice Test #3 2022-2023
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Increased intermolecular attractions cause the ratio PV/(RT) to decline because individual molecules: 
 
 A. eventually combine with other molecules, decreasing the number of particles in the container. 
 B. lose kinetic energy to potential energy and strike the side of the container with less force. 
 C. increase in speed due to electron repulsion and strike the side of the container with increased force. 
 D. transfer electrons during collisions with other molecules in the container. - B. ...
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MCAT AAMC FL 1 CHem and Physics exam questions fully solved & verified for accuracy 2024
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In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? 
 
A.Hydrogen bonding 
B.Solute concentration 
C.Stationary phase concentration 
D.Thickness of paper 
The correct answer is A. 
 
This is an Organic Chemistry question that falls under the content category "Separation and purification methods." The answer to this question is A because the ...
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AAMC MCAT Practice Exam 1 questions fully solved & verified for accuracy 2024
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In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? 
 
A) Hydrogen bonding 
B) Solute concentration 
C) Stationary phase concentration 
D) Thickness of paper 
A) Hydrogen bonding 
 
The answer to this question is A because the relative amount of hydrogen bonding to the stationary phase will determine the relative rate of migration of the vario...
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Chemistry Human Activity, Chemical Reactivity (International Edition by Paul Treichel - Test Bank
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NETA Assessment: Test Bank to accompany Chemistry: Human Activity, Chemical Reactivity, Second International Edition 
By Peter G. Mahaffy, Robert Bucat, Roy Tasker, John C. Kotz, Paul M. Treichel, Gabriela C. Weaver, John McMurry 
Test Bank prepared by Brett McCollum, Mount Royal University Text ISBN: 0176660887 
NETA copy editor: Kelli Howey 
For more information contact Nelson, 1120 Birchmount Road, Toronto, Ontario M1K 5G4. Or you can visit our Internet site at . 
ALL RIGHTS RESERVED. No part...
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CHEM005 Final 2023 with verified questions and answers
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Fumaric acid has two conjugate base forms, with pKa1=3.02 and pKa2=4.48, at what pH value αHA- got its largest fractions? 
a. 3.02 
b. 4.48 
c. 3.75 
d. 5.41 
c. 3.75 
 
 
 
For a diprotic system, the equation for the fraction of A2-(αA2-) is 
a. αA2- = K1K2/([H+]2+[H+]K1+K1K2) 
b. αA2- = [H+]2/([H+]2+[H+]K1+K1K2) 
c. αA2- = K1K2/([H+]+[H+]K1+K1K2) 
d. αA2- = [H+]2/([H+]+[H+]K1+K1K2) 
a. αA2- = K1K2/([H+]2+[H+]K1+K1K2) 
 
 
 
A 25.00mL solution of 0.0316M benzylamine was titratd with 0.02...
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Class notes Chem 108
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These are class notes for CHEM 108, the second exam, in Dr. Mirafzal's class.
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