The photochemical reaction that initiates the production of smog involves the decomposition of NO molecules, and the energy needed to break the N-O bond is 1 .04 × 10 − 18 J . (a) The longest wavelength of light that could break the bond should be calculated. (b) Number of photons needed to decompose 0.32 mg of NO should be calculated. Concept introduction: A chemical reaction which is originated when the molecules of substance absorb energy of light is known as the photochemical reaction. Due to this reaction, molecules reach to the transient excited state, subsequently their chemical and physical properties changes from the original molecule. At this moment, molecules incline to create a new structure, or combine with other molecules by transfer of atoms, protons or electrons. Therefore,a prolonged chemical chain reaction takes place.

Question

Draw a Lewis structure for each of the following molecules and assign charges where appropriate. The order in which the atoms are connected is given in parentheses. a. CIFCIF b. BrCNBrCN 0 c. SOCI2 × (CISCIO) SOC₁₂ (CISCI) You can draw both an octet and a valence shell expanded structure. Considering the following structural information, which is the better one: The measured S-OS-O bond length in SOC12SOCl2 is 1.43 Å. For comparison, that in SO2SO2 is 1.43 Å [Exercise 1-9, part (b)], that in CHзSOHCH3 SOH d. CH3NH2CH3NH2 (methanesulfenic acid) is 1.66 A. e. CH3OCH3 CH3 OCH3 NH2 f. N2H2× (HNNH) N2 H2 (HNNH) g. CH2COCH₂ CO h. HN3× (HNNN) HN3 (HNNN) i. N20 × (NNO) N2O (NNO)

Answer 1

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Chapter 6, Problem 6.95PAE

Interpretation Introduction

Interpretation:

The photochemical reaction that initiates the production of smog involves the decomposition of NO molecules, and the energy needed to break the N-O bond is 1.04×10−18J.

(a) The longest wavelength of light that could break the bond should be calculated.

(b) Number of photons needed to decompose 0.32 mg of NO should be calculated.

Concept introduction:

A chemical reaction which is originated when the molecules of substance absorb energy of light is known as the photochemical reaction. Due to this reaction, molecules reach to the transient excited state, subsequently their chemical and physical properties changes from the original molecule. At this moment, molecules incline to create a new structure, or combine with other molecules by transfer of atoms, protons or electrons. Therefore,a prolonged chemical chain reaction takes place.

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