K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10 9 yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm. To write a balanced nuclear equation for each type of decay Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

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Answer 1

Question

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

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Answer 2

Question

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

Answer 6

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

Answer 7

Chapter 16, Problem 38CI

(a)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To write a balanced nuclear equation for each type of decay

Concept Introduction: According to the law of conservation of mass the sum of the atomic numbers and the sum of the atomic mases on the reactant side must be equal to the product side.

Answer 8

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

Answer 9

(b)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To identify the particle emitted for each type of decay.

Concept Introduction:Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as an alpha particle, beta particle with neutrino.

Answer 10

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

Answer 11

(c)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the number of K+ ions in 3.5 oz of KCl

Concept Introduction:From the mass and molar mass of a substance, number of moles can be calculated as follows:

Moles = massmolar mass

Answer 12

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

Answer 13

(d)

Interpretation Introduction

Interpretation: K-40 has a natural abundance of 0.012% and a half-life of 1.30 x 10⁹yr. K-40 decays to Ca-40 or to Ar-40. Activity for K-40 is 7.0 µCi per gm.

To find the activity of 25g of KCl in becquerels

Concept Introduction:

An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.

The conversion factor used to convert curie to becquerel is as follows:

1 curie = 37×109 becquerel

Answer 14

Expert Solution & Answer

Answer 15

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Answer 16

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Answer 17

Ch. 16.1 - Prob. 1PP Ch. 16.1 - Prob. 2PP Ch. 16.1 - Naturally occurring potassium consists of three...Ch. 16.1 - Prob. 4PP Ch. 16.1 - Prob. 5PP Ch. 16.1 - Prob. 6PP Ch. 16.1 - Prob. 7PP Ch. 16.1 - Prob. 8PP Ch. 16.1 - Supply the missing information in the following...Ch. 16.1 - Prob. 10PP

Solution Summary: The author explains that K-40 decays to Ca-40 or to Ar-40, and the atomic mases on the reactant side must be equal to the product side.

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Chapter 16 Solutions