Domanda del libro di testo
Which of these fatty acids has the higher melting point? Explain why.
a. Linolenic acid
b. Stearic acid
809
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Ch.23 Lipids
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187
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TOC.tableOfContents
- Ch.1 Matter and Measurements27
- Ch.2 Atoms and the Periodic Table20
- Ch.3 Ionic Compounds8
- Ch.4 Molecular Compounds23
- Ch.5 Classification & Balancing of Chemical Reactions12
- Ch.6 Chemical Reactions: Mole and Mass Relationships28
- Ch.7 Chemical Reactions: Energy, Rate and Equilibrium64
- Ch.8 Gases, Liquids and Solids24
- Ch.9 Solutions52
- Ch.10 Acids and Bases25
- Ch.11 Nuclear Chemistry22
- Ch.12 Introduction to Organic Chemistry: Alkanes57
- Ch.13 Alkenes, Alkynes, and Aromatic Compounds47
- Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen50
- Ch.15 Aldehydes and Ketones45
- Ch.16 Amines42
- Ch.17 Carboxylic Acids and Their Derivatives57
- Ch.18 Amino Acids and Proteins82
- Ch.19 Enzymes and Vitamins63
- Ch.20 Carbohydrates44
- Ch.21 The Generation of Biochemical Energy65
- Ch.22 Carbohydrate Metabolism45
- Ch.23 Lipids42
- Ch.24 Lipid Metabolism33
- Ch.25 Protein and Amino Acid Metabolism24
- Ch.26 Nucleic Acids and Protein Synthesis45
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187Non è quello che usi tu?Cambia libro di testo
Capitolo 23, Problema 48
Is the reaction shown here esterification, hydrogenation, hydrolysis, saponification, or substitution?
Guida verificata passo dopo passo1
Identify the functional groups and reactants in the reaction. Look for key features such as esters, alcohols, acids, or alkenes in the starting materials and products.
Determine the type of chemical transformation occurring. For example, esterification involves forming an ester from an alcohol and a carboxylic acid, while hydrolysis involves breaking a bond using water.
Check if the reaction involves the addition of hydrogen (hydrogenation), the breaking of an ester bond (saponification or hydrolysis), or the replacement of one group with another (substitution).
Analyze the reaction conditions provided in the image, such as the presence of catalysts, heat, or specific reagents, as these can indicate the type of reaction.
Match the observed transformation and conditions to the correct reaction type: esterification, hydrogenation, hydrolysis, saponification, or substitution.
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Esterification
Esterification is a chemical reaction that forms an ester from an alcohol and a carboxylic acid, typically involving the elimination of water. This process is characterized by the formation of a new carbon-oxygen bond, resulting in the production of an ester compound, which is often used in the production of fragrances and solvents.
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Percorso guidato
0:46
Ester Reactions: Esterification Example 1
Hydrogenation
Hydrogenation is a chemical reaction that involves the addition of hydrogen to unsaturated organic compounds, typically alkenes or alkynes, converting them into saturated hydrocarbons. This process is commonly used in the food industry to convert liquid vegetable oils into solid fats, such as margarine.
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1:22Hydrogenation Reactions Concept 1
Hydrolysis
Hydrolysis is a chemical reaction that involves the breaking down of a compound by reaction with water. In organic chemistry, it often refers to the cleavage of bonds in esters or amides, resulting in the formation of an alcohol and a carboxylic acid or an amine, respectively. This reaction is crucial in biological processes, such as digestion.
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1:12Acidic Hydrolysis Concept 1
Pratica correlata
Domanda del libro di testo
There are two isomeric triacylglycerol molecules whose components are glycerol, one palmitic acid unit, and two stearic acid units. Draw the structures of both, and explain how they differ.
754
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Domanda del libro di testo
Draw the structure of the product you would obtain on complete hydrogenation of the triacylglycerol in Problem 23.49. What is its name? Does it have a higher or lower melting temperature than the original triacylglycerol?
1161
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Domanda del libro di testo
Draw the structures of all products you would obtain by saponification of the following lipid with aqueous KOH. What are the names of the products?
807
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Domanda del libro di testo
Tell how many different products you would obtain on hydrogenation of the triacylglycerol in Problem 23.49 if:
a. One double bond was converted to a single bond
b. Two double bonds were converted to single bonds
c. Three double bonds were converted to single bonds
d. All four double bonds were converted to single bonds
1123
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Domanda del libro di testo
Draw the structure of glyceryl trilaurate, which is made from glycerol and three lauric acid molecules.
922
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