(b) Explanation Given The bond energy of N 2 is 941 kJ / mol . The bond energy of NO is 607 kJ / mol . The bond energy of NO 2 is 469 kJ / mol . The value of Avogadro number is 6.023 × 10 23 molecules . The value of Planck constant is 6.626 × 10 − 34 Js . The value of speed of light is 3.0 × 10 8 m / s . The energy needed to break 1 bond of N 2 molecule is calculated by the formula, Energy = Bond energy Avogadro number Substitute the value of bond energy of N 2 and Avogadro number in the above equation, Energy = 941 kJ / mol 6.023 × 10 23 molecules = 1.6 × 10 − 18 J / molecule The energy is calculated by the formula, E = h υ Where, E is the energy. h is the Planck’s constant. υ is the frequency. Rearrange the above equation to calculate the value of υ , υ = E h Substitute the value of energy and Planck constant in the above equation, υ = 1.6 × 10 − 18 6.626 × 10 − 34 Js = 2.4 × 10 15 s − 1 The value of wavelength is calculated by the formula, λ = c ν Where, λ is the wavelength. υ is the frequency. c is the speed of light. Substitute the value of speed of light and frequency in the above equation, λ = 3.0 × 10 8 2.4 × 10 15 = 125 nm The wavelength 125 nm falls in ultra violet region of the electromagnetic spectrum. The energy needed to break 1 bond of NO molecule is calculated by the formula, Energy = Bond energy Avogadro number Substitute the value of bond energy of NO and Avogadro number in the above equation, Energy = 607 kJ / mol 6.023 × 10 23 molecules = 1.00 × 10 − 21 J / molecule The energy is calculated by the formula, E = h υ Where, E is the energy (c) Interpretation Introduction To determine: The spectrometric experiment to monitor the conversion of into

Chemistry: The Central Science (14th Edition)

14th Edition

ISBN: 9780134414232

Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus

Publisher: PEARSON

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Chapter 14, Problem 124IE

(b)

Interpretation Introduction

To determine: The region of the electromagnetic spectrum of bond energy of the given compounds.

(c)

Interpretation Introduction

To determine: The spectrometric experiment to monitor the conversion of into

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Chapter 14, Problem 123IE

Chapter 14, Problem 125IE

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Chapter 14 Solutions

Chemistry: The Central Science (14th Edition)

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