The C-H bonds of Trans-3-hexene are to be ranked in the order of decreasing bond dissociation enthalpy. Concept introduction: Bond dissociation enthalpy is the amount of energy required to break a covalent bond. The stronger the bond, the higher the bond dissociation enthalpy. The C-H bond in alkenes is stronger than the C-H bond in alkanes. The sp 2 -hybridized carbon atoms have stronger C-H bonds than C-H bonds in sp 3 -hybridized carbon atoms. Allylic C-H bonds are weaker than non-allylic (alkyl) C-H bonds.

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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 11.3, Problem 7P

Interpretation Introduction

Interpretation:

The C-H bonds of Trans-3-hexene are to be ranked in the order of decreasing bond dissociation enthalpy.

Concept introduction:

Bond dissociation enthalpy is the amount of energy required to break a covalent bond.

The stronger the bond, the higher the bond dissociation enthalpy.

The C-H

bond in alkenes is stronger than the C-H

bond in alkanes. The sp2-hybridized carbon atoms have stronger C-H

bonds than C-H

bonds in sp3-hybridized carbon atoms.

Allylic C-H bonds are weaker than non-allylic (alkyl) C-H bonds.

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You have started a patient on a new drug. Each dose introduces 40 pg/mL of drug after redistribution and prior to elimination. This drug is administered at 24 h intervals and has a half life of 24 h. What will the concentration of drug be after each of the first six doses? Show your work a. What is the concentration after the fourth dose? in pg/mL b. What is the concentration after the fifth dose? in pg/mL c. What is the concentration after the sixth dose? in pg/mL

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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 11.3, Problem 7P

Interpretation Introduction

Interpretation:

The C-H bonds of Trans-3-hexene are to be ranked in the order of decreasing bond dissociation enthalpy.

Concept introduction:

Bond dissociation enthalpy is the amount of energy required to break a covalent bond.

The stronger the bond, the higher the bond dissociation enthalpy.

The C-H

bond in alkenes is stronger than the C-H

bond in alkanes. The sp2-hybridized carbon atoms have stronger C-H

bonds than C-H

bonds in sp3-hybridized carbon atoms.

Allylic C-H bonds are weaker than non-allylic (alkyl) C-H bonds.

Expert Solution & Answer

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Check out a sample textbook solution

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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 11.3, Problem 7P

Interpretation Introduction

Interpretation:

The C-H bonds of Trans-3-hexene are to be ranked in the order of decreasing bond dissociation enthalpy.

Concept introduction:

Bond dissociation enthalpy is the amount of energy required to break a covalent bond.

The stronger the bond, the higher the bond dissociation enthalpy.

The C-H

bond in alkenes is stronger than the C-H

bond in alkanes. The sp2-hybridized carbon atoms have stronger C-H

bonds than C-H

bonds in sp3-hybridized carbon atoms.

Allylic C-H bonds are weaker than non-allylic (alkyl) C-H bonds.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 11.3, Problem 7P

Interpretation Introduction