Ozone absorbs UV radiation of wavelengths less than 320 nm, while oxygen requires higher – energy electromagnetic radiation with wavelengths less than 242 nm. This difference of absorbtion by these two molecules has to be explained with the help of bond energies and resonance strutures of ozone. Concept Introduction: Electromagnetic spectrum is a range of all types of electromagnetic radiation. Radiant energy emitted by all matter whose temperature is greater than absolute zero ( 0 o K ). Radiant energy with short wavelength (higher frequency) will have the most energy and as the wavelength get longer, the energy decreases. Bond dissociation enthalpy: Bond energy or more correctly the bond dissociation enthalpy is the enthalpy change when breaking a bond in a molecule with the reactant and products in the gas phase. Δ r H 0 = Σ Δ H ( b o n d s b r o k e n ) − Σ Δ H ( b o n d s f o r m e d ) Resonance structures: when a single Lewis structure does not adequately represent a substance, the true structure is intermediate between two or more structures which are called resonance structures and these structures are created by moving electrons, not atoms.

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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 5.5, Problem 5.12YT

Interpretation Introduction

Interpretation:

Ozone absorbs UV radiation of wavelengths less than 320 nm, while oxygen requires higher – energy electromagnetic radiation with wavelengths less than 242 nm. This difference of absorbtion by these two molecules has to be explained with the help of bond energies and resonance strutures of ozone.

Concept Introduction:

Electromagnetic spectrum is a range of all types of electromagnetic radiation.

Radiant energy emitted by all matter whose temperature is greater than absolute zero

(0oK).

Radiant energy with short wavelength (higher frequency) will have the most energy and as the wavelength get longer, the energy decreases.

Bond dissociation enthalpy:

Bond energy or more correctly the bond dissociation enthalpy is the enthalpy change when breaking a bond in a molecule with the reactant and products in the gas phase.

ΔrH0 = Σ ΔH (bonds broken) −Σ ΔH (bonds formed)

Resonance structures: when a single Lewis structure does not adequately represent a substance, the true structure is intermediate between two or more structures which are called resonance structures and these structures are created by moving electrons, not atoms.

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: At a certain temperature, the equilibrium constant K for the following reaction is 1.58 × 10-12 N2(g) + O2(g) = 2 NO(g) Use this information to complete the following table. Suppose a 38. L reaction vessel is filled with 0.93 mol of N2 and 0.93 mol of O2. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little N2 and O2. There will be very little NO. What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 2 NO(g) N2(9)+02(9) What is the equilibrium constant for the following reaction? Be sure your answer has the correct number of significant digits. 3 N2(9)+302(g) 6 NO(g) Neither of the above is true. K = ☐ K = ☐ ☐ X10 Х D ? 000 18 Ar B

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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 5.5, Problem 5.12YT

Interpretation Introduction

Interpretation:

Ozone absorbs UV radiation of wavelengths less than 320 nm, while oxygen requires higher – energy electromagnetic radiation with wavelengths less than 242 nm. This difference of absorbtion by these two molecules has to be explained with the help of bond energies and resonance strutures of ozone.

Concept Introduction:

Electromagnetic spectrum is a range of all types of electromagnetic radiation.

Radiant energy emitted by all matter whose temperature is greater than absolute zero

(0oK).

Radiant energy with short wavelength (higher frequency) will have the most energy and as the wavelength get longer, the energy decreases.

Bond dissociation enthalpy:

Bond energy or more correctly the bond dissociation enthalpy is the enthalpy change when breaking a bond in a molecule with the reactant and products in the gas phase.

ΔrH0 = Σ ΔH (bonds broken) −Σ ΔH (bonds formed)

Resonance structures: when a single Lewis structure does not adequately represent a substance, the true structure is intermediate between two or more structures which are called resonance structures and these structures are created by moving electrons, not atoms.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 5.5, Problem 5.12YT

Interpretation Introduction

Interpretation:

Ozone absorbs UV radiation of wavelengths less than 320 nm, while oxygen requires higher – energy electromagnetic radiation with wavelengths less than 242 nm. This difference of absorbtion by these two molecules has to be explained with the help of bond energies and resonance strutures of ozone.

Concept Introduction:

Electromagnetic spectrum is a range of all types of electromagnetic radiation.

Radiant energy emitted by all matter whose temperature is greater than absolute zero

(0oK).

Radiant energy with short wavelength (higher frequency) will have the most energy and as the wavelength get longer, the energy decreases.

Bond dissociation enthalpy:

Bond energy or more correctly the bond dissociation enthalpy is the enthalpy change when breaking a bond in a molecule with the reactant and products in the gas phase.

ΔrH0 = Σ ΔH (bonds broken) −Σ ΔH (bonds formed)

Resonance structures: when a single Lewis structure does not adequately represent a substance, the true structure is intermediate between two or more structures which are called resonance structures and these structures are created by moving electrons, not atoms.

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 5.5, Problem 5.12YT

Interpretation Introduction