The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned. Concept introduction: Amino acids are compounds with difuntional group, amine and carboxylic acid group. There are about twenty naturally occurring amino acids. Each amino acid has atleast one chiral carbon in it except glycine. A chiral carbon is the carbon which is bonded to four different groups. To find : To find the amino acids that has two chiral centers

Question

Using the bond energy values, calculate the energy that must be supplied or is released upon the polymerization of 755 monomers. If energy must be supplied, provide a positive number; if energy is released, provide a negative number. Hint: Avogadro’s number is 6.02 × 1023.

Answer 1

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 25, Problem 43PP

(a)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Amino acids are compounds with difuntional group, amine and carboxylic acid group. There are about twenty naturally occurring amino acids. Each amino acid has atleast one chiral carbon in it except glycine. A chiral carbon is the carbon which is bonded to four different groups.

To find : To find the amino acids that has two chiral centers

(b)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Cahn-Ingold-Prelog convention can be applied to derive the configuration of the chirality center depending upon the priority of the groups attached. The atom which has higher atomic number gets the higher priority followed by the others atoms. After assigning the priority and numbering, if the sequence 1-2-3 is in clockwise rotation the configuration is assigned as “R” and if it is in counterclockwise then it is assigned “S”.

To find : To find the configuration of the two chiral centers in the amino acids possessing two chiral centers

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Using the bond energy values, calculate the energy that must be supplied or is released upon the polymerization of 755 monomers. If energy must be supplied, provide a positive number; if energy is released, provide a negative number. Hint: Avogadro’s number is 6.02 × 1023.

-AG|F=2E|V 3. Before proceeding with this problem you may want to glance at p. 466 of your textbook where various oxo-phosphorus derivatives and their oxidation states are summarized. Shown below are Latimer diagrams for phosphorus at pH values at 0 and 14: Acidic solution -0.93 +0.38 -0.51 -0.06 H3PO4 →H4P206 H3PO3 H3PO2 → P→ PH3 -0.28 -0.50 → -0.50 Basic solution 3-1.12 -1.57 -2.05 -0.89 PO HPO →→H2PO2 P PH3 -1.73 a) Under acidic conditions, H3PO4 can be reduced into H3PO3 directly (-0.28V), or via the formation and reduction of H4P2O6 (-0.93/+0.38V). Calculate the values of AG's for both processes; comment. (3 points) 0.5 PH, 0.0 -0.5- 2 3 9 3 -1.5 -2.0 Pa H,PO H,PO H,PO -3 -1 0 2 4 Oxidation state, N 2 b) Frost diagram for phosphorus under acidic conditions is shown. Identify possible disproportionation and comproportionation processes; write out chemical equations describing them. (2 points) c) Elemental phosphorus tends to disproportionate under basic conditions. Use data in…

These two reactions appear to start with the same starting materials but result in different products. How do the chemicals know which product to form? Are both products formed, or is there some information missing that will direct them a particular way?

Answer 2

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 25, Problem 43PP

(a)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Amino acids are compounds with difuntional group, amine and carboxylic acid group. There are about twenty naturally occurring amino acids. Each amino acid has atleast one chiral carbon in it except glycine. A chiral carbon is the carbon which is bonded to four different groups.

To find : To find the amino acids that has two chiral centers

(b)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Cahn-Ingold-Prelog convention can be applied to derive the configuration of the chirality center depending upon the priority of the groups attached. The atom which has higher atomic number gets the higher priority followed by the others atoms. After assigning the priority and numbering, if the sequence 1-2-3 is in clockwise rotation the configuration is assigned as “R” and if it is in counterclockwise then it is assigned “S”.

To find : To find the configuration of the two chiral centers in the amino acids possessing two chiral centers

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 3

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 25, Problem 43PP

(a)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Amino acids are compounds with difuntional group, amine and carboxylic acid group. There are about twenty naturally occurring amino acids. Each amino acid has atleast one chiral carbon in it except glycine. A chiral carbon is the carbon which is bonded to four different groups.

To find : To find the amino acids that has two chiral centers

(b)

Interpretation Introduction

Interpretation:

The two amino acids which has two chiral centers need to be found out and the configuration need to be assigned.

Concept introduction:

Cahn-Ingold-Prelog convention can be applied to derive the configuration of the chirality center depending upon the priority of the groups attached. The atom which has higher atomic number gets the higher priority followed by the others atoms. After assigning the priority and numbering, if the sequence 1-2-3 is in clockwise rotation the configuration is assigned as “R” and if it is in counterclockwise then it is assigned “S”.

To find : To find the configuration of the two chiral centers in the amino acids possessing two chiral centers

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Answer 4

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 25, Problem 43PP

(a)

Interpretation Introduction