a) Interpretation: How to convert 1-butyne in to butanone is to be shown. Concept introduction: Terminal alkynes when hydrated with dilute H 2 SO 4 in the presence of HgSO 4 are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product. To show: How to convert 1-butyne in to butanone.

Question

10.00 g of Compound X with molecular formula C₂Hg are burned in a constant-pressure calorimeter containing 40.00 kg of water at 25 °C. The temperature of the water is observed to rise by 2.604 °C. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 °C. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.

Answer 1

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 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

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10.00 g of Compound X with molecular formula C₂Hg are burned in a constant-pressure calorimeter containing 40.00 kg of water at 25 °C. The temperature of the water is observed to rise by 2.604 °C. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound X at 25 °C. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.

need help not sure what am doing wrong step by step please answer is 971A During the lecture, we calculated the Debye length at physiological salt concentrations and temperature, i.e. at an ionic strength of 150 mM (i.e. 0.150 mol/l) and a temperature of T=310 K. We predicted that electrostatic interactions are effectively screened beyond distances of 8.1 Å in solutions with a physiological salt concentration. What is the Debye length in a sample of distilled water with an ionic strength of 10.0 µM (i.e. 1.00 * 10-5 mol/l)? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).

Influence of salt concentrations on electrostatic interactions 2 Answer is 2.17A why not sure step by step please What is the Debye length in a concentrated salt solution with an ionic strength of 2.00 mol/l? Assume room temperature, i.e. T= 298 K, and provide your answer as a numerical expression with 3 significant figures in Å (1 Å = 10-10 m).

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 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Expert Solution & Answer

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See solution

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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 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Expert Solution & Answer

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See solution

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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 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Expert Solution & Answer

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See solution

Check out sample textbook solution

Answer 5

Chapter 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Answer 6

Chapter 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Answer 7

Chapter 9.SE, Problem 37AP

Interpretation Introduction

a)

Interpretation:

How to convert 1-butyne in to butanone is to be shown.

Concept introduction:

Terminal alkynes when hydrated with dilute H₂SO₄ in the presence of HgSO₄ are converted in to enols. The addition of water takes place following Markovnikov regiochemistry. The enols upon tautomerization yield ketones as the product.

To show:

How to convert 1-butyne in to butanone.

Answer 8

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Answer 9

Interpretation Introduction

b)

Interpretation:

How to convert 1-butyne in to butanal is to be shown.

Concept introduction:

Terminal alkynes when hydrated using hydroboration-oxidation reaction yield an enol with OH group attached to the terminal carbon as the reaction follows anti-Markovnikov regiochemistry. The enol obtained then tautomerizes to an aldehyde.

To show:

How to convert 1-butyne in to butanal is to be shown.

Answer 10

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Answer 11

Interpretation Introduction

c)

Interpretation:

How to convert ethynylbenzene in to propynylbenzene is to be shown.

Concept introduction:

Terminal alkynes are converted in to acetylides by treating with NaNH₂ in liquid ammonia. The acetylides can be converted to higher alkynes by treating with alkyl halides having required number of carbon atoms.

To show:

How to convert ethynylbenzene in to propynylbenzene.

Answer 12

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Answer 13

Interpretation Introduction

d)

Interpretation:

How to convert propynylbenzene in to cis-1-propenylbenzene is to be shown.

Concept introduction:

Alkynes can be converted in to the corresponding alkenes by treating with H₂ in the presence of Lindlar catalyst. The hydrogenation occurs with syn stereochemistry giving a cis alkene as the product.

To show:

How to convert 1-propynylbenzene in to 1-propenylbenzene.

Answer 14

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Answer 15

Interpretation Introduction

e)

Interpretation:

How to convert 1-butyne in to propanoic acid is to be shown.

Concept introduction:

Alkynes gets cleaved when treated with powerful oxidizing agents like KMnO₄. Internal alkynes give carboxylic acids as products. Terminal alkynes give CO₂ also along with a carboxylic acid.

To show:

How to convert 1-butyne in to propanoic acid.

Answer 16

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Answer 17

Interpretation Introduction

f)

Interpretation:

How to convert 1-hexene in to 1-hexyne in two steps is to be shown.

Concept introduction:

Alkenes when treated with bromine yield a dibromo alkane which upon dehydrohalogenation with alc.KOH eliminates two molecules of HBr to yield an alkyne as the product.

To show:

How to convert 1-hexene in to 1-hexyne in two steps

Answer 18

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Ch. 9.1 - Prob. 1P Ch. 9.1 - Prob. 2P Ch. 9.3 - What products would you expect from the following...Ch. 9.4 - Prob. 4P Ch. 9.4 - Prob. 5P Ch. 9.4 - Prob. 6P Ch. 9.4 - Prob. 7P Ch. 9.5 - Using any alkyne needed, how would you prepare the...Ch. 9.7 - The pKa of acetone, CH3COCH3, is 19.3. Which of...Ch. 9.8 - Prob. 10P

Chapter 9 Solutions