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Melting Point of p-dichlorobenzene 75.9 Melting Point of acetamide 53.2 degrees C Melting Point of solid...
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point....
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point. That Is, select "1" next to the solid with the highest melting point, "2" next to the solid w highest melting point, and so on. CYou may need to use the scrollbar to see all the choices.) type of solid force holding the solid melting point o...
you decided to investigate how much energy it would take to get solid acetone to gaseous...
you decided to investigate how much energy it would take to get
solid acetone to gaseous acetone. So assuming you took 125 g of
-100 degree Celsius solid acetone and heated it 56 degree Celsius
gaseous acetone, how many joules of energy would be required to do
this? Acetone has a melting point of -95 degree Celsius and a
boiling point of 56 degrees Celsius. The heat of fusion (melting)
is 98 j/g and the heat of vaporization is 538.9...
Question 14 The melting point of a pure compound is known to be 110-111º. Describe the...
Question 14 The melting point of a pure compound is known to be 110-111º. Describe the melting behavior expected if this compound is contaminated with 5% of an impurity. 90-96 111-113 90-91 110-111 5 pts Question 15 You and your lab partner take melting points of the same sample. You observe a melting point of 101-107°C, while your partner observes a value of 110-112°C. Explain how you can get two different values with exactly the same sample. One of the...
1. (5 pt.) Soon you will synthesize the analgesic acetanilide in lab. It’s m.p. is 114C....
1. (5 pt.) Soon you will synthesize the analgesic acetanilide in lab. It’s m.p. is 114C. What does it indicate about your product if you obtain a m.p. of 103 - 112C. Explain. 2. (6 pt.) Neither aniline nor nitrobenzene is particularly water soluble. However, one is completely soluble in dilute aqueous HCl. Which one is soluble, and explain why? (For maximum credit, provide a chemical equation for your answer.) 3. (5 pt.) Name the two adsorbents that are most...
Separating a Mixture, Recrystallization, pre-lab assignment could you also explain why you chose that substance for...
Separating a Mixture, Recrystallization, pre-lab
assignment
could you also explain why you chose that substance for the empty
spaces and question marks
EXPERIMENT 4 Pre-Lab Assignment Separating a Mixture, Recrystalliration Name Date 1. Complete the following flowchart which shows how to separate a mixture of sand, sodium chloride and acetanilide. Notice that after a separation process (a down arrow) the filtered solids are shown on the left and the filtrate (the liquid) is shown on the right. The terminal step...
Didn't post this right the first time. Here is everything in full! Need help with Organic...
Didn't post this right the first time. Here is everything in
full!
Need help with Organic Chemistry, understanding the labs.
1. Soon you will synthesize the analgesic acetanilide in lab. It's me is 114°C. What does it indicate about your product if you obtain a mn of 103 - 112°C. Explain. acetanilide YO 2. Neither aniline nor nitrobenzene is particularly water soluble. However, one is completely soluble in dilute aqueous HCI. Which one is soluble, and explain why? (For maximum...
please answer all parts I am trying to check my answers. Recrystallization of Acetanilide Recrystallization is...
please answer all parts I am trying to check my
answers.
Recrystallization of Acetanilide Recrystallization is an important method used by chemists to purify solid compounds. When a chemist conducts a chemical reaction as shown in Scheme 1, it will rarely go to 100% completion, and will frequently produce byproducts. These byproducts and some of the unreacted starting materials will be present in the end as impurities. Chemists need ways to remove these unwanted impurities so they can isolate their...
13. What can you say about an unknown compound that gave a pouldve test with 2...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
If you were to run this reaction on a 0.5 g acetaminophen, how much powdered potassium...
If you were to run this reaction on a 0.5 g acetaminophen, how
much powdered potassium carbonate would you use ? Show your
work
Alcohols and Ethers 185 14.3 THE WILLIAMSON ETHER SYNTHESIS: PREPARATION OF PHENACETIN FROM ACETAMINOPHEN One of the most common methods used to prepare ether Williamson ether synthesis. In this reaction, an alkoxide anion (RO) acts as a nucleophile in an S, 2 process, displacing a leaving group (X) from an electrophile (R-X). R-20 . RY ROR...
The proton nmr and the infrared spectra of DCC, DMAP, DCU, the product and the nmrs...
The proton nmr and the infrared spectra of DCC, DMAP, DCU, the
product and the nmrs of the starting materials and products are
shown. These are labeled Compounds A, B and C. a.Which nmr is the
product?
b. Which is the nmr of the starting material?
c. What is the mixture of compounds shown as compound C?
tert-Butyl Ethyl Fumarate DCC, DMAP, CHCI OH Chemical Formula: C,H,O Chemical Formula: CH 0 Molecular Weight: 144.13 Molecular Weight: 74.12 Chemical Formula: CH...
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point. That Is, select "1" next to the solid with the highest melting point, "2" next to the solid w highest melting point, and so on. CYou may need to use the scrollbar to see all the choices.) type of solid force holding the solid melting point o...
you decided to investigate how much energy it would take to get
solid acetone to gaseous acetone. So assuming you took 125 g of
-100 degree Celsius solid acetone and heated it 56 degree Celsius
gaseous acetone, how many joules of energy would be required to do
this? Acetone has a melting point of -95 degree Celsius and a
boiling point of 56 degrees Celsius. The heat of fusion (melting)
is 98 j/g and the heat of vaporization is 538.9...
Question 14 The melting point of a pure compound is known to be 110-111º. Describe the melting behavior expected if this compound is contaminated with 5% of an impurity. 90-96 111-113 90-91 110-111 5 pts Question 15 You and your lab partner take melting points of the same sample. You observe a melting point of 101-107°C, while your partner observes a value of 110-112°C. Explain how you can get two different values with exactly the same sample. One of the...
Separating a Mixture, Recrystallization, pre-lab
assignment
could you also explain why you chose that substance for the empty
spaces and question marks
EXPERIMENT 4 Pre-Lab Assignment Separating a Mixture, Recrystalliration Name Date 1. Complete the following flowchart which shows how to separate a mixture of sand, sodium chloride and acetanilide. Notice that after a separation process (a down arrow) the filtered solids are shown on the left and the filtrate (the liquid) is shown on the right. The terminal step...
Didn't post this right the first time. Here is everything in
full!
Need help with Organic Chemistry, understanding the labs.
1. Soon you will synthesize the analgesic acetanilide in lab. It's me is 114°C. What does it indicate about your product if you obtain a mn of 103 - 112°C. Explain. acetanilide YO 2. Neither aniline nor nitrobenzene is particularly water soluble. However, one is completely soluble in dilute aqueous HCI. Which one is soluble, and explain why? (For maximum...
please answer all parts I am trying to check my
answers.
Recrystallization of Acetanilide Recrystallization is an important method used by chemists to purify solid compounds. When a chemist conducts a chemical reaction as shown in Scheme 1, it will rarely go to 100% completion, and will frequently produce byproducts. These byproducts and some of the unreacted starting materials will be present in the end as impurities. Chemists need ways to remove these unwanted impurities so they can isolate their...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
If you were to run this reaction on a 0.5 g acetaminophen, how
much powdered potassium carbonate would you use ? Show your
work
Alcohols and Ethers 185 14.3 THE WILLIAMSON ETHER SYNTHESIS: PREPARATION OF PHENACETIN FROM ACETAMINOPHEN One of the most common methods used to prepare ether Williamson ether synthesis. In this reaction, an alkoxide anion (RO) acts as a nucleophile in an S, 2 process, displacing a leaving group (X) from an electrophile (R-X). R-20 . RY ROR...
The proton nmr and the infrared spectra of DCC, DMAP, DCU, the
product and the nmrs of the starting materials and products are
shown. These are labeled Compounds A, B and C. a.Which nmr is the
product?
b. Which is the nmr of the starting material?
c. What is the mixture of compounds shown as compound C?
tert-Butyl Ethyl Fumarate DCC, DMAP, CHCI OH Chemical Formula: C,H,O Chemical Formula: CH 0 Molecular Weight: 144.13 Molecular Weight: 74.12 Chemical Formula: CH...
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