The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year. Concept Introduction: Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus. Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration. The integrated rate law for the first order is as follows: ln [ A ] = ln [ A 0 ] − k t where, [ A 0 ] = initial concentration k= rate constant t = t i m e [ A ] = c o n c e n t r a t i o n a f t e r t i m e t

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Answer 1

Question

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

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Answer 2

Question

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

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Answer 3

Question

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

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Answer 4

Question

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

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Answer 5

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

Answer 6

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

Answer 7

Chapter 25, Problem 38PS

Interpretation Introduction

Interpretation: The graph should be drawn for disintegrations per minute as a function of time during a period of 1 year.

Concept Introduction:

Nuclear reaction is a physical process in which there is a change in identity of an atomic nucleus. Natural radioactive decays, artificial radioactive decays... are considered as nuclear reactions because these processes make changes in the identity of an atomic nucleus.

Half–life period: It is the time required for the concentration of radioactive substance to reduce to the one-half of its initial concentration.

The integrated rate law for the first order is as follows:

ln [A] = ln [A0] − kt where,[A0]= initial concentrationk= rate constantt=time[A]= concentration after time t

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25.2 - Prob. 1CYU Ch. 25.2 - Prob. 2CYU Ch. 25.2 - Prob. 1RC Ch. 25.2 - Prob. 2RC Ch. 25.2 - Prob. 3RC Ch. 25.3 - Prob. 1CYU Ch. 25.3 - Prob. 2CYU Ch. 25.3 - Prob. 1RC Ch. 25.4 - Prob. 1CYU Ch. 25.4 - Prob. 2CYU

Solution Summary: The author explains that nuclear reactions are physical processes that change the identity of an atomic nucleus. The half-life of Scandium-46 is 83.8 days.

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Chapter 25 Solutions