The enthalpy change for the given reaction is to be calculated with the help of thermochemical data. Concept introduction: Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps. The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed. If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa. If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

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Answer 1

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Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

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Answer 2

Question

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

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Answer 3

Question

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

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Answer 4

Question

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

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Answer 5

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

Answer 6

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

Answer 7

Chapter 5, Problem 47QP

Interpretation Introduction

Interpretation:

The enthalpy change for the given reaction is to be calculated with the help of thermochemical data.

Concept introduction:

Hess’s Law states that the change in enthalpy for a chemical reaction remains the same whether the reaction takes place in a single step or in a number of steps.

The enthalpy change for a reaction is a state function. It depends upon the initial and final states of the system and not on the path followed.

If any reaction is reversed, then the sign of enthalpy change will also reverse. If enthalpy change is positive, then it will become negative and vice versa.

If any reaction is multiplied or divided any number, then its enthalpy change is also multiply and divides by the same number.

Answer 8

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Answer 10

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Answer 11

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Solution Summary: The author explains that the enthalpy change for a chemical reaction remains the same regardless of the reaction taking place. If any reaction is reversed, it will also reverse.

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