From the given value of Δ H for the reaction, the bond energy of A 2 needs to be determined. Concept Introduction: For a reaction, the change in enthalpy can be calculated from bond dissociation energy as follows: Δ H = ∑ B . E ( Reactant ) − ∑ B . E ( Product ) That is the difference of total energy of bond broken and total energy of bond formed.

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Answer 1

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Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 13, Problem 54E

Interpretation Introduction

Interpretation:From the given value of ΔH for the reaction, the bond energy of A2 needs to be determined.

Concept Introduction: For a reaction, the change in enthalpy can be calculated from bond dissociation energy as follows:

ΔH=∑B.E(Reactant)−∑B.E(Product)

That is the difference of total energy of bond broken and total energy of bond formed.

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Where are the chiral centers in this molecule? Also is this compound meso yes or no?

Answer 2

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 13, Problem 54E

Interpretation Introduction

Interpretation:From the given value of ΔH for the reaction, the bond energy of A2 needs to be determined.

Concept Introduction: For a reaction, the change in enthalpy can be calculated from bond dissociation energy as follows:

ΔH=∑B.E(Reactant)−∑B.E(Product)

That is the difference of total energy of bond broken and total energy of bond formed.

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Answer 3

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 13, Problem 54E

Interpretation Introduction

Interpretation:From the given value of ΔH for the reaction, the bond energy of A2 needs to be determined.

Concept Introduction: For a reaction, the change in enthalpy can be calculated from bond dissociation energy as follows:

ΔH=∑B.E(Reactant)−∑B.E(Product)

That is the difference of total energy of bond broken and total energy of bond formed.

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Check out a sample textbook solution

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Answer 4

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 13, Problem 54E

Interpretation Introduction