(a) Interpretation: Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained. Concept Introduction: The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

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Answer 1

Question

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

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Part II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0

Answer 2

Question

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

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Answer 3

Question

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

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Answer 4

Question

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

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Answer 5

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Answer 6

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Answer 7

Chapter 6, Problem 26P

Interpretation Introduction

(a)

Interpretation:

Whether the reaction is exothermic or endothermic when ΔH, i.e., change of enthalpy is positive needs to be explained.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Answer 10

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

Answer 12

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Answer 13

Interpretation Introduction

(d)

Interpretation:

Whether the reaction is exothermic or endothermic if the bonds in reactants are stronger than the bonds in products needs to be determined.

Concept Introduction:

The change in enthalpy is defined as the difference in energy needed to break new bonds and the formation of new bonds. The pressure is considered constant in the process. These reactions can be endothermic or exothermic. In endothermic reaction, energy is required to form the products and in exothermic reaction, energy is released in the formation of products.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 6.1 - Prob. 6.1PP Ch. 6.1 - Prob. 6.1P Ch. 6.1 - Prob. 6.2PP Ch. 6.1 - Prob. 6.2P Ch. 6.2 - Using the values in Table 6.2, give H for each...Ch. 6.2 - Prob. 6.4PP Ch. 6.2 - Answer the following questions using the given...Ch. 6.2 - Given the H and balanced equation in Sample...Ch. 6.2 - Prob. 6.6PP Ch. 6.3 - Prob. 6.7PP

Solution Summary: The author explains how the change in enthalpy is defined as the difference in energy needed to break new bonds.

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

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Chapter 6 Solutions

Solution Summary: The author explains how the change in enthalpy is defined as the difference in energy needed to break new bonds.

(b) Interpretation: Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined. Concept Introduction: In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

(c) Interpretation: Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined. Concept Introduction: In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

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Chapter 6 Solutions

(b)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy of the products is lower than the energy of reactants needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.

(c)

Interpretation:

Whether the reaction is exothermic or endothermic when the energy is released in the reaction needs to be determined.

Concept Introduction:

In an endothermic reaction, energy is required whereas in exothermic reactions, energy is released.