The name of the reactants and products used in the reaction to activate acetoacetate before being used as a fuel has to be determined. Concept introduction: Acetoacetate is a ketone body generated in the mitochondria of the liver cells during ketogenesis. It is the first ketone body to be formed in the body, by the cleavage of a molecule of HMG-CoA The other two ketone bodies, β-hydroxybutyrate and acetone are derived from it. While β-hydroxybutyrate is formed by the reduction of a molecule of acetoacetate by NADH in the liver, acetone is formed by the loss of a carboxyl group from a molecule of acetoacetate in the bloodstream.

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 25, Problem 25.73EP

Interpretation Introduction

Interpretation:

The name of the reactants and products used in the reaction to activate acetoacetate before being used as a fuel has to be determined.

Concept introduction:

Acetoacetate is a ketone body generated in the mitochondria of the liver cells during ketogenesis. It is the first ketone body to be formed in the body, by the cleavage of a molecule of HMG-CoA The other two ketone bodies, β-hydroxybutyrate and acetone are derived from it. While β-hydroxybutyrate is formed by the reduction of a molecule of acetoacetate by NADH in the liver, acetone is formed by the loss of a carboxyl group from a molecule of acetoacetate in the bloodstream.

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Experiment: Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below. Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization. Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C Sample C-Cool the third sample in an ice-bath to 0-2 °C Results: weight after recrystalization and melting point temp. A=0.624g,102-115° B=0.765g, 80-105° C=1.135g, 77-108 What is the percent yield of A,B, and C.

Answer 2

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Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 25, Problem 25.73EP

Interpretation Introduction

Interpretation:

The name of the reactants and products used in the reaction to activate acetoacetate before being used as a fuel has to be determined.

Concept introduction:

Acetoacetate is a ketone body generated in the mitochondria of the liver cells during ketogenesis. It is the first ketone body to be formed in the body, by the cleavage of a molecule of HMG-CoA The other two ketone bodies, β-hydroxybutyrate and acetone are derived from it. While β-hydroxybutyrate is formed by the reduction of a molecule of acetoacetate by NADH in the liver, acetone is formed by the loss of a carboxyl group from a molecule of acetoacetate in the bloodstream.

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 25, Problem 25.73EP

Interpretation Introduction

Interpretation:

The name of the reactants and products used in the reaction to activate acetoacetate before being used as a fuel has to be determined.

Concept introduction:

Acetoacetate is a ketone body generated in the mitochondria of the liver cells during ketogenesis. It is the first ketone body to be formed in the body, by the cleavage of a molecule of HMG-CoA The other two ketone bodies, β-hydroxybutyrate and acetone are derived from it. While β-hydroxybutyrate is formed by the reduction of a molecule of acetoacetate by NADH in the liver, acetone is formed by the loss of a carboxyl group from a molecule of acetoacetate in the bloodstream.

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 25, Problem 25.73EP

Interpretation Introduction