Homework Answers
13.
From the above drawing, it is evident that the number of unique carbon atoms in the molecule trans-1,3-dimethylcyclohexane = 5.
Hence, there are 5 carbon environments in the molecule.
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i need help with these two! Especially the first one.
13. (5 pts) How many carbon...
9.78 The two lowest energy conformations of pentane are the anti-anti and the anti-gauche forms, in...
9.78 The two lowest energy conformations of pentane are the anti-anti and the anti-gauche forms, in terms of arrangements around the two central C─C bonds. A recent study analyzed the conformations of 3-heptyne as an “elongated” analogue of pentane, where a carbon-carbon triple bond is “inserted” between C2 and C3 of pentane.[15] Interestingly, the researchers found that in each of the two most stable conformations of 3-heptyne, C1 and C6 are nearly eclipsed (looking down the alkyne group). In one...
I need to know if my newman projections are labeled and drawn correctly TH rele all...
I need to know if my newman projections are labeled and drawn
correctly
TH rele all 2º carbons in the following molecule. (1 pt) 2 6-iso prop the molecule drawn below: a. Draw a Newman projection looking down the C3 to C2 bond. (2 pts) b. Draw the highest energy conformation looking down the C3-C2 bond (1 pts) Me t me B. Me H Me HO (22 6330 H 4 5 (GHS и a. Newman Projection b. Highest Energy ich...
Pleqsw help with this question 3. (a) Consider the bond-line (dash/wedge) structure shown below. Using the...
Pleqsw help with this question
3. (a) Consider the bond-line (dash/wedge) structure shown below. Using the Newman projection templates provided to the right of this bond-line structure, draw the overall lowest energy (most stable) and overall highest energy (least stable) conformation possible in Newman projection form sighting down the C C, bond indicated. Provide a one sentence explanation to justify for the overall most stable conformation. (Ipts each correct Newman, 2pts for valid explanation) sight down Cy-- - bond .23...
March 25, 2020 March 25, 2020 5. (12 pts) Compare the two structures (A and B)...
March 25, 2020 March 25, 2020 5. (12 pts) Compare the two structures (A and B) given below. Ph = phenyi - o molecule A 2 Ph molecule B down a. Draw the most stable Newman projection looking along the C2-C3 bond (C2 is in the front) b. Which compound is more stable, A or B? Briefly explain your choice.
need help with 14-21 Stereochemistry of the Su2 reaction In the Sn2 reaction the tetrahedral carbon...
need help with 14-21
Stereochemistry of the Su2 reaction In the Sn2 reaction the tetrahedral carbon center is inverted. We describe the mechanism as nudeophilic (Nuc) back side attack; the leaving group (LG) is leav ing from the front side. Generally, the LG and the Nucare electron rich so it would be unfavorable for them to react from the same side (charge repuls ion). The geometry of the carbon at the transition state is trigonal planar. 14) Label the 2-bromobuta...
need help with 1-21 1) Label the steps below as "slow" and "fast". HCH 013 10...
need help with 1-21
1) Label the steps below as "slow" and "fast". HCH 013 10 = H. C + + H-LG H-LG 2) Why are they slow/fast? Explain using chemical terms. Stereochemistry of the Sn1 reaction 3) What type of intermediate does the Sn1 reaction proceed through? 4) What is the geometry of the carbon that the nucleophile coordinates to in the 2 step? 5) From how many directions would it be reasonable for the nucleophile to approach the...
Using the book, write another paragraph or two: write 170 words: Q: Compare the assumptions of...
Using the book, write another paragraph or two: write 170
words:
Q: Compare the assumptions of physician-centered and
collaborative communication. How is the caregiver’s role different
in each model? How is the patient’s role different?
Answer: Physical-centered communication involves the specialists
taking control of the conversation. They decide on the topics of
discussion and when to end the process. The patient responds to the
issues raised by the caregiver and acts accordingly. On the other
hand, Collaborative communication involves a...
I need to know if my newman projections are labeled and drawn
correctly
TH rele all 2º carbons in the following molecule. (1 pt) 2 6-iso prop the molecule drawn below: a. Draw a Newman projection looking down the C3 to C2 bond. (2 pts) b. Draw the highest energy conformation looking down the C3-C2 bond (1 pts) Me t me B. Me H Me HO (22 6330 H 4 5 (GHS и a. Newman Projection b. Highest Energy ich...
Pleqsw help with this question
3. (a) Consider the bond-line (dash/wedge) structure shown below. Using the Newman projection templates provided to the right of this bond-line structure, draw the overall lowest energy (most stable) and overall highest energy (least stable) conformation possible in Newman projection form sighting down the C C, bond indicated. Provide a one sentence explanation to justify for the overall most stable conformation. (Ipts each correct Newman, 2pts for valid explanation) sight down Cy-- - bond .23...
March 25, 2020 March 25, 2020 5. (12 pts) Compare the two structures (A and B) given below. Ph = phenyi - o molecule A 2 Ph molecule B down a. Draw the most stable Newman projection looking along the C2-C3 bond (C2 is in the front) b. Which compound is more stable, A or B? Briefly explain your choice.
need help with 14-21
Stereochemistry of the Su2 reaction In the Sn2 reaction the tetrahedral carbon center is inverted. We describe the mechanism as nudeophilic (Nuc) back side attack; the leaving group (LG) is leav ing from the front side. Generally, the LG and the Nucare electron rich so it would be unfavorable for them to react from the same side (charge repuls ion). The geometry of the carbon at the transition state is trigonal planar. 14) Label the 2-bromobuta...
need help with 1-21
1) Label the steps below as "slow" and "fast". HCH 013 10 = H. C + + H-LG H-LG 2) Why are they slow/fast? Explain using chemical terms. Stereochemistry of the Sn1 reaction 3) What type of intermediate does the Sn1 reaction proceed through? 4) What is the geometry of the carbon that the nucleophile coordinates to in the 2 step? 5) From how many directions would it be reasonable for the nucleophile to approach the...
Using the book, write another paragraph or two: write 170
words:
Q: Compare the assumptions of physician-centered and
collaborative communication. How is the caregiver’s role different
in each model? How is the patient’s role different?
Answer: Physical-centered communication involves the specialists
taking control of the conversation. They decide on the topics of
discussion and when to end the process. The patient responds to the
issues raised by the caregiver and acts accordingly. On the other
hand, Collaborative communication involves a...
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