General, Organic, and Biological Chemistry - 4th edition
4th Edition
ISBN: 9781259883989
Author: by Janice Smith
Publisher: McGraw-Hill Education
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Question
Chapter 19, Problem 64P
Interpretation Introduction
Interpretation:
The structure of boldenone undecylenate by the reaction of boldenone and 10-undecenoic acid needs to be determined.
Concept Introduction:
Steroids are types of lipids which consist of three 6-membered rings and one 5-membered ring. These rings together are called as steroid nucleus. Other polar and non-polar groups are bonded with these rings and are responsible for different physical and chemical properties of steroids. Cholesterol is one of the examples of steroid with four steroid nucleus.
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Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)
Given 8.50 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100%yield? Express your answer in grams to three significant figures.
Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+):
CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)
a) Given 7.70 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?
b) A chemist ran the reaction and obtained 5.25 g of ethyl butyrate. What was the percent yield?
c) The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 7.70 g of butanoic acid and excess ethanol?
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H2SO4 is a Dehydrating agent
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Chapter 19 Solutions
General, Organic, and Biological Chemistry - 4th edition
Ch. 19.1 - Prob. 19.1PPCh. 19.1 - Prob. 19.1PCh. 19.2 - (a) Draw a skeletal structure for each fatty acid....Ch. 19.2 - Prob. 19.2PCh. 19.2 - Prob. 19.3PCh. 19.3 - Prob. 19.3PPCh. 19.3 - One component of jojoba oil is a wax formed from...Ch. 19.3 - Explain why beeswax is insoluble in water,...Ch. 19.3 - Prob. 19.6PCh. 19.4 - Prob. 19.4PP
Ch. 19.4 - Prob. 19.7PCh. 19.4 - Prob. 19.8PCh. 19.5 - Prob. 19.5PPCh. 19.5 - Review Section 5.2 on balancing chemical...Ch. 19.5 - Prob. 19.10PCh. 19.6 - Prob. 19.6PPCh. 19.6 - Identify the components of each lipid and classify...Ch. 19.7 - Prob. 19.12PCh. 19.7 - Prob. 19.13PCh. 19.7 - Prob. 19.14PCh. 19.8 - (a) Label the rings of the steroid nucleus in...Ch. 19.8 - Prob. 19.16PCh. 19.8 - Prob. 19.17PCh. 19.9 - Prob. 19.18PCh. 19.9 - Prob. 19.19PCh. 19.10 - Prob. 19.20PCh. 19.11 - Prob. 19.21PCh. 19.11 - Prob. 19.22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Rank the fatty acids in order of increasing...Ch. 19 - Prob. 30PCh. 19 - Prob. 31PCh. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Draw the structure of a wax formed from palmitic...Ch. 19 - Draw the structure of a wax formed from a...Ch. 19 - What hydrolysis products are formed when each wax...Ch. 19 - What hydrolysis products are formed when each wax...Ch. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Draw a triacylglycerol that fits each description:...Ch. 19 - Draw a triacylglycerol that fits each description:...Ch. 19 - Draw the structure of a triacylglycerol that...Ch. 19 - Draw the structure of a triacylglycerol that...Ch. 19 - Consider the following four types of compounds:...Ch. 19 - How do fats and oils compare with respect to each...Ch. 19 - For the food product shown in the accompanying...Ch. 19 - For the food product shown in the accompanying...Ch. 19 - Answer the following questions about the given...Ch. 19 - Answer the following questions about the given...Ch. 19 - Draw the products formed when each triacylglycerol...Ch. 19 - Draw the products formed when each triacylglycerol...Ch. 19 - Which of the following are phospholipids: (a)...Ch. 19 - Prob. 54PCh. 19 - Prob. 55PCh. 19 - Prob. 56PCh. 19 - wIn transporting molecules or ions across a cell...Ch. 19 - Prob. 58PCh. 19 - Draw the structure of the anabolic steroid...Ch. 19 - Draw the structure of the anabolic steroid...Ch. 19 - Why must cholesterol be transported through the...Ch. 19 - Describe the role of HDLs and LDL5 in cholesterol...Ch. 19 - Prob. 63PCh. 19 - Prob. 64PCh. 19 - (a) Draw the structure of an estrogen and an...Ch. 19 - (a) Draw the structure of an androgen and a...Ch. 19 - What are the similarities and differences between...Ch. 19 - Why aren’t prostaglandins classified as hormones?Ch. 19 - What two structural features characterize all...Ch. 19 - List three biological functions of prostaglandins...Ch. 19 - Explain why aspirin and celecoxib differ in how...Ch. 19 - How does zileuton treat the cause of asthma, not...Ch. 19 - Answer each question with regard to vitamins A and...Ch. 19 - Answer each question in Problem 19.73 for vitamins...Ch. 19 - Give an example of each type of lipid. a. a...Ch. 19 - Give an example of each type of lipid. a. a...Ch. 19 - Consider each of the following components: [1]...Ch. 19 - Consider each of the following components: [1]...Ch. 19 - Block diagrams representing the general structures...Ch. 19 - For each block diagram in Problem 19.79, label the...Ch. 19 - Prob. 81PCh. 19 - Prob. 82PCh. 19 - Prob. 83PCh. 19 - Prob. 84PCh. 19 - Prob. 85PCh. 19 - Prob. 86PCh. 19 - Can an individual survive on a completely fat-free...Ch. 19 - Prob. 88PCh. 19 - Prob. 89PCh. 19 - Prob. 90PCh. 19 - Prob. 91PCh. 19 - Prob. 92PCh. 19 - Prob. 93CPCh. 19 - Prob. 94CP
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