To draw: The skeletal structures of the fatty acids EPA and DHA. Introduction: Skeletal structure shows the bonds between the carbon atoms in the form of lines in two dimensions. The bonds between two carbon atoms are indicated by lines. The number of C − H bonds to any carbon atoms is equal to four minus the bonds formed by the carbon. Fatty acids are the long chain hydrocarbons and a carboxylic acid group is attached at the end of the chain. EPA is a Eicosapentaenoic acid that is found in fish oils. It consists of 20 carbons and has five double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it. DHA is a Docosahexaenoic acid that is also found in fish oils. It consists of 22 carbons and has six double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

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Answer 1

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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 4, Problem 4.81CP

Summary Introduction

To draw:

The skeletal structures of the fatty acids EPA and DHA.

Introduction:

Skeletal structure shows the bonds between the carbon atoms in the form of lines in two dimensions. The bonds between two carbon atoms are indicated by lines. The number of C−H bonds to any carbon atoms is equal to four minus the bonds formed by the carbon.

Fatty acids are the long chain hydrocarbons and a carboxylic acid group is attached at the end of the chain. EPA is a Eicosapentaenoic acid that is found in fish oils. It consists of 20 carbons and has five double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

DHA is a Docosahexaenoic acid that is also found in fish oils. It consists of 22 carbons and has six double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

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1. Calculate the accurate monoisotopic mass (using all 1H, 12C, 14N, 160 and 35CI) for your product using the table in your lab manual. Don't include the Cl, since you should only have [M+H]*. Compare this to the value you see on the LC-MS printout. How much different are they? 2. There are four isotopic peaks for the [M+H]* ion at m/z 240, 241, 242 and 243. For one point of extra credit, explain what each of these is and why they are present. 3. There is a fragment ion at m/z 184. For one point of extra credit, identify this fragment and confirm by calculating the accurate monoisotopic mass. 4. The UV spectrum is also at the bottom of your printout. For one point of extra credit, look up the UV spectrum of bupropion on Google Images and compare to your spectrum. Do they match? Cite your source. 5. For most of you, there will be a second chromatographic peak whose m/z is 74 (to a round number). For one point of extra credit, see if you can identify this molecule as well and confirm by…

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 4, Problem 4.81CP

Summary Introduction

To draw:

The skeletal structures of the fatty acids EPA and DHA.

Introduction:

Skeletal structure shows the bonds between the carbon atoms in the form of lines in two dimensions. The bonds between two carbon atoms are indicated by lines. The number of C−H bonds to any carbon atoms is equal to four minus the bonds formed by the carbon.

Fatty acids are the long chain hydrocarbons and a carboxylic acid group is attached at the end of the chain. EPA is a Eicosapentaenoic acid that is found in fish oils. It consists of 20 carbons and has five double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

DHA is a Docosahexaenoic acid that is also found in fish oils. It consists of 22 carbons and has six double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

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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 4, Problem 4.81CP

Summary Introduction

To draw:

The skeletal structures of the fatty acids EPA and DHA.

Introduction:

Skeletal structure shows the bonds between the carbon atoms in the form of lines in two dimensions. The bonds between two carbon atoms are indicated by lines. The number of C−H bonds to any carbon atoms is equal to four minus the bonds formed by the carbon.

Fatty acids are the long chain hydrocarbons and a carboxylic acid group is attached at the end of the chain. EPA is a Eicosapentaenoic acid that is found in fish oils. It consists of 20 carbons and has five double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

DHA is a Docosahexaenoic acid that is also found in fish oils. It consists of 22 carbons and has six double bonds. So, it is a polyunsaturated fatty acid as there are multiple double bonds present in it.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See 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 4, Problem 4.81CP

Summary Introduction