(a) Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated. Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A , B , C , and D . Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

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Answer 1

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Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

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A complete tensile test was performed on a magnesium specimen of 12 mm diameter and 30 mm length, until breaking. The specimen is assumed to maintain a constant volume. Calculate the approximate value of the actual stress at breaking. TABLE. The tensile force F and the length of the specimen are represented for each L until breaking. F/N L/mm 0 30,0000 30,0296 5000 10000 30,0592 15000 30,0888 20000 30,15 25000 30,51 26500 30,90 27000 31,50 26500 32,10 25000 32,79

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Answer 2

Question

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

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Answer 3

Question

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

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Answer 4

Question

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

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Answer 5

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Answer 6

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Answer 7

Chapter 31, Problem 31.19P

Interpretation Introduction

(a)

Interpretation: The conversion of given ball-and-stick model of androsterone to a skeletal structure using wedges and dashed wedges around all stereogenic centers is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Answer 8

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Answer 9

Interpretation Introduction

(b)

Interpretation: The conversion of given ball-and-stick model of androsterone to a three dimensional representation using chair cyclohexane rings is to be stated.

Concept introduction: Steroids, a group of tetracyclic lipids composed of one five-membered ring and three six-membered rings. These rings are lettered by A, B, C, and D. Most of the steroids contain two angular methyl groups. These methyl groups are numbered as C18 and C19 respectively.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 31 - Problem 31.1 One component of jojoba oil is a wax...Ch. 31 - Problem 31.2 How would you expect the melting...Ch. 31 - Problem 31.3 Draw the products formed when...Ch. 31 - Problem 31.4 The main fatty acid component of the...Ch. 31 - Prob. 31.5P Ch. 31 - Problem 31.6 Draw the structure of a lecithin...Ch. 31 - Prob. 31.7P Ch. 31 - Problem 31.8 Why are phospholipids, but not...Ch. 31 - Problem 31.9 Explain why regularly ingesting a...Ch. 31 - Problem 31.10 Locate the isoprene units in each...

Solution Summary: The author explains how the ball-and-stick model of androsterone is converted to a skeletal structure by replacing black ball with C.

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Chapter 31 Solutions