The conversion of hexanoic acid to given amine has to be shown. Concept introduction: Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride. Reaction of acid chloride with ammonia or amines : The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide. The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound. L i A l H 4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

Question

Clouds of hot, luminous interstellar hydrogen gas can be seen in some parts of the galaxy. In some hydrogen atoms, electrons are excited to quantum levels with n = 100 or higher. (a) Calculate the wavelength observed on Earth if the electrons fall from the level with n = 100 to one with n = 2. (b) In what series would this transition be found? (c) Some of these high-energy electrons fall into intermediate states, such as n = 90. Would the wavelengths of a transition from the state with n = 100 to one with n = 90 be longer or shorter than those in the Balmer series? Explain your answer.

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 18.10, Problem 18.10P

(a)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

(b)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

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Clouds of hot, luminous interstellar hydrogen gas can be seen in some parts of the galaxy. In some hydrogen atoms, electrons are excited to quantum levels with n = 100 or higher. (a) Calculate the wavelength observed on Earth if the electrons fall from the level with n = 100 to one with n = 2. (b) In what series would this transition be found? (c) Some of these high-energy electrons fall into intermediate states, such as n = 90. Would the wavelengths of a transition from the state with n = 100 to one with n = 90 be longer or shorter than those in the Balmer series? Explain your answer.

In the spectroscopic technique known as photoelectron spectroscopy (PES), ultraviolet radiation is directed at an atom or molecule. Electrons are ejected from the valence shell and their kinetic energies are measured. Since the energy of the incident ultraviolet photons is known and the kinetic energy of the ejected electron is measured, the ionization energy, I, can be deduced because total energy is conserved. (a) Show that the velocity, v, of the ejected electron and the frequency, n, of the incident radiation are related by hv = I + (1/2)mv^2? (b) Use this relation to calculate the ionization energy of a rubidium atom, knowing that light of wavelength 58.4 nm produces electrons with a velocity of 2,450 km/s Recall that 1 J = 1 kg.m^2/s^2

I) In Millikan's experiment, each droplet observed by the technicians contained an even number of electrons. If they had been unaware of this limitation, how would it have affected their report of an electron's charge?II) Millikan measured the charge of an electron in electrostatic units, esu. The data he collected included the following series of charges found on oil drops: 9.60 X 10^-10 esu, 1.92 X 10^-9 esu; 2.40 X 10^-9 esu; 2.88 X 10^-9 esu; and 4.80 X 10^-9 esu. (a) From this series, find the probable charge of the electron in electrostatic units. (b) Estimate the number of electrons in an oil drop with a charge of 6.72 X 10^-9 esu. The actual charge (in Coulombs) of an electron is 1.602 X 10^-19 C. What is the relationship between esu and Coulombs?

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 18.10, Problem 18.10P

(a)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

(b)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

Expert Solution & Answer

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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 18.10, Problem 18.10P

(a)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

(b)

Interpretation Introduction

Interpretation:

The conversion of hexanoic acid to given amine has to be shown.

Concept introduction:

Acid chlorides are most often prepared by treating a carboxylic acid with thionyl chloride.

Reaction of acid chloride with ammonia or amines:

The reaction of acid chlorides with ammonia and primary and secondary amines will yield amide.

The nucleophilic addition of ammonia or amine to the carbonyl carbon occurs which is followed by a proton transfer forming an addition intermediate that will eliminate chloride and lose a proton to give the amide compound.

LiAlH4 is a powerful reducing agent which reduces carboxylic acids to primary alcohol.

Expert Solution & Answer

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Check out sample textbook solution

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 18.10, Problem 18.10P

(a)

Interpretation Introduction