Organic chemistry lab Study guides, Class notes & Summaries
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Organic Chemistry Lab 1 Already Passed Exam Questions and CORRECT Answers
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Physical properties can be useful toDetermine structure 
Determine purity of substance 
If not pure, determine how to separate contaminating substances from a compound 
What can you get from melting point?Identify and purity of an organic solid. 
Define melting pointWhen the temperature at which the solid and liquid states are in 
equilibrium. 
What's the range at which most organic substances melt?50 - 250 C 
What's the range at which inorganic substances usually melt?300 - 1500 C 
What subs...
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Organic Chemistry Lab 1 Key Tested Exam Questions and CORRECT Answers
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How should BP of a liquid be reported?As a boiling range 
How does temperature affect the vapor pressure of a liquid?As temperature increases, 
vapor pressure increases 
Suppose you will be distilling 50 mL of an impure liquid. What size of distillation flask(s) 
should you use?100 and 150 mL 
What is the purpose of using boiling stones?To relieve minor hot spots on the 
distillation flask and prevent vigorous eruption of bubbles (bumping) 
What should be the temperature difference in the liq...
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CHEM 237-ORGANIC CHEMISTRY LAB FINAL EXAM 2024/ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS/TAMU UNIVERSITY
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CHEM 237-ORGANIC CHEMISTRY LAB FINAL EXAM 2024/ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS/TAMU UNIVERSITY
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CHEM 120 OL Week 5 Lab 9 Organic Chemistry 2024
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CHEM 120 OL Week 5 Lab 9 Organic Chemistry 2024/CHEM 120 OL Week 5 Lab 9 Organic Chemistry 2024/CHEM 120 OL Week 5 Lab 9 Organic Chemistry 2024/CHEM 120 OL Week 5 Lab 9 Organic Chemistry 2024
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CHEM 237-ORGANIC CHEMISTRY LAB FINAL EXAM 2024/ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS/TAMU UNIVERSITY
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CHEM 237-ORGANIC CHEMISTRY LAB FINAL EXAM 2024/ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS/TAMU UNIVERSITY 
 
Separation by liquid-liquid extraction is based on 
a)	compound's dielectric constant in 2 dif solvents 
b)	# of theoretical plates in the separation 
c)	use of phase transfer catalysts 
d)	difference in boiling points of 2 liquids 
e)	distribution of a compound between 2 immiscible phases 
- e) Distribution of a compound between two immiscible phases.
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Organic Chemistry Lab 1 TOP Exam Questions and CORRECT Answers
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The three principal reasons for determining the mp range of a solid (For what reason(s) 
would someone be interested in determining the melting point (mp) range of a compound 
1) Determination of purity 
2) Establishing an unknown solid's identity 
3)Reporting new physical property data on a compound never before isolated/made 
Purpose of this experiment To experimentally determine the effect of impurity (urea) on 
the mp range of a pure substance 
Draw trans-cinnamic acid 
Draw urea
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning.
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CHEM 219 Module 1 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning. 
Score for this quiz: 10 out of 10 
Submitted Jul 25 at 8:42pm 
This attempt took 1,135 minutes. 
Question 1 0 / 0 pts 
Your Answer: 
On a piece of scratch paper, write out the Lewis Dot Diagram for each of 
the indicated elements and determine the following for each: 
a) The number of Lone Pairs the atom possesses in its valence 
shell. 
b) The number of Unpaired Electrons the atom possesses in its...
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CHEM 219 Module 3 Problem Set- Principles of Organic Chemistry with Lab-Gallaher Portage Learning
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CHEM 219 Module 3 Problem Set- Principles of Organic Chemistry with Lab-Gallaher Portage Learning
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CHEM 219 Module 3 Problem Set Principles of Organic Chemistry with Lab –Gallaher Portage Learning
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CHEM 219 Module 3 Problem Set Principles of Organic Chemistry with Lab –Gallaher Portage Learning
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CHEM 219 Module 5 Problem Set- Principles of Organic Chemistry with Lab-Gallaher Portage Learning
- Exam (elaborations) • 16 pages • 2023
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CHEM 219 Module 5 Problem Set- Principles of Organic Chemistry with Lab-Gallaher Portage Learning
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