This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Glucosamine (R = H), a naturally occurring substance found in the exoskeleta of marine ... (Read 23 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
on: Aug 23, 2018
Glucosamine (R = H), a naturally occurring substance found in the exoskeleta of marine invertebrates, is believed by some to be helpful in relieving arthritic symptoms in humans. What are, respectively, the relative positions of the amino group to the CH2OH substituent and OR group?
 
  1.cis, cis
  2.trans, trans
  3.cis, trans
  4.trans, cis
  5.cannot be determined from this kind of perspective drawing

Question 2

How many secondary hydrogens are there in the cycloalkane shown below?
 
  1.2
  2.3
  3.4
  4.5
  5.6

Question 3

What is the IUPAC name for the following molecule?
 
  1.1-(2-methylbutyl)-cyclopentane
  2.2-(3-methylbutyl)-cyclopentane
  3.2-(2-methylbutyl)-cyclopentane
  4.(1,2-dimethylpropyl)-cyclopentane
  5.(2,2-dimethylpropyl)-cyclopentane

Question 4

The highest energy conformation of ethane has 12 kJ/mol of strain. The two highest conformations of butane have 16 and 19 kJ/mol of strain, respectively. How much strain does the highest energy conformation of 2,3-dimethylbutane have?
  1.16 kJ/mol
  2.20 kJ/mol
  3.26 kJ/mol
  4.31 kJ/mol
  5.37 kJ/mol


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Aug 23, 2018
Answer to Question 1

2

Answer to Question 2

3

Answer to Question 3

4

Answer to Question 4

3


jon_i

  • Member
  • Posts: 549
Reply 2 on: Aug 23, 2018
Gracias!

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

The transcription of three different genes that are found in the same chromosome. The transcription of three different genes that are found in the same chromosome.
Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
A recent study found that female baboons that groom each other are more likely to come to each other A recent study found that female baboons that groom each other are more likely to come to each other
Dry Room Substance Removal Technique Dry Room Substance Removal Technique
Amino acids not found in proteins Amino acids not found in proteins
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library