The number of atoms of 45 101 Rh in the sample needs to be determined. Concept introduction: The disintegration rate of a sample is related to rate of decay as follows: Δ N Δ t = − k N Here, k is rate constant or decay constant and N is number of atoms. Also for first order reaction, the relation between half-life time and decay constant is as follows: k = 0.6932 t 1 / 2 Here, t 1 / 2 for the reaction in which the concentration of reactant becomes half of its initial value.

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Answer 1

Question

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

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Answer 2

Question

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

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Answer 3

Question

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

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Answer 4

Question

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

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Answer 5

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

Answer 6

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

Answer 7

Chapter 25, Problem 21E

Interpretation Introduction

Interpretation:

The number of atoms of 45101Rh in the sample needs to be determined.

Concept introduction:

The disintegration rate of a sample is related to rate of decay as follows:

ΔNΔt=−kN

Here, k is rate constant or decay constant and N is number of atoms.

Also for first order reaction, the relation between half-life time and decay constant is as follows:

k=0.6932t1/2

Here, t1/2 for the reaction in which the concentration of reactant becomes half of its initial value.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 25 - Prob. 1E Ch. 25 - Prob. 2E Ch. 25 - Prob. 3E Ch. 25 - Prob. 4E Ch. 25 - Prob. 5E Ch. 25 - Prob. 6E Ch. 25 - Prob. 7E Ch. 25 - Prob. 8E Ch. 25 - Prob. 9E Ch. 25 - Prob. 10E

Solution Summary: The author explains that the disintegration rate of a sample is related to decay constant.

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Chapter 25 Solutions