The standard formation enthalpy value for M g S has to be calculated using the given values. Concept Introduction: Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change Δ H ∘ of the reaction is, Δ H ∘ = Δ H ∘ 1 + Δ H ∘ 2 + Δ H ∘ 3 ...... + Δ H ∘ n Production of 1 mole of product from standard state elements is known as formation reaction.

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Answer 1

Question

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

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Answer 2

Question

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

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Answer 3

Question

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

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Answer 4

Question

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

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Answer 5

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

Answer 6

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

Answer 7

Chapter 4, Problem 80QRT

Interpretation Introduction

Interpretation:

The standard formation enthalpy value for MgS has to be calculated using the given values.

Concept Introduction:

Hess’s law is applied to calculate the enthalpy changes in a reaction. According to Hess’s law “The overall enthalpy change of a reaction is equal to the sum of the enthalpy changes involving in each and every individual steps in the reaction”. Thus if a reaction involves ‘n’ steps then enthalpy change ΔH∘ of the reaction is,

ΔH∘=ΔH∘1+ΔH∘2+ΔH∘3...... +ΔH∘n

Production of 1 mole of product from standard state elements is known as formation reaction.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 4.1 - (a) If you eat a hot dog, it will provide 160...Ch. 4.2 - Prob. 4.1CE Ch. 4.2 - Prob. 4.2CE Ch. 4.3 - Prob. 4.3CE Ch. 4.3 - Prob. 4.2PSP Ch. 4.4 - A piece of aluminum with a mass of 250. g is at an...Ch. 4.4 - Prob. 4.4CE Ch. 4.4 - Prob. 4.5CE Ch. 4.4 - Prob. 4.4PSP Ch. 4.4 - Prob. 4.5PSP

Solution Summary: The author explains that the standard formation enthalpy value for MgS has to be calculated using the given values.

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