Physical Chemistry Third Edition

K Answers to Numerical Exercises and Odd-Numbered Numerical Problems 1343

23.47
BF 3 and CO 2

23.49
all but CCl 4

23.53
a. No
b. No
c.Ye s
d. Ye s

23.55
a. 41 .912 cm−^1 ,83.824 cm−^1 , 125.736 cm−^1 , and
167 .648 cm−^1
b. band center will be at 4138.3cm−^1 , splitting
41 .912 cm−^1
c.slightly lower than 8276.6cm−^1
d. 125 .736 cm−^1 , 209.56 cm−^1 , 293.38 cm−^1 , and
377 .21 cm−^1

23.57
a. Raman
b. emission/absorption
c. neither
d. Raman
e. Raman

23.59
a. N 2 : no microwave spectrum. CO: 3.862 cm−^1
7 .724 cm−^1 ,11.586 cm−^1 , and 15.448 cm−^1

b. N 2 : no infrared spectrum. CO: band center at
2169 .8cm−^1 with splittings 7.724 cm−^1
c.CO: 11.586 cm−^1 ,19.31 cm−^1 ,27.03 cm−^1 , and
84 .76 cm−^1 .N 2 :11.99 cm−^1 ,19.98 cm−^1 ,
27 .97 cm−^1 , and 35.96 cm−^1

d. N 2 :Qbranch at 2358.6 cm−^1 ,Sbranch at 2370.6

cm−^1 , 2378.6 cm−^1 , etc.

Obranch at 2346.6 cm−^1 , 2338.6 cm−^1 , etc.

CO:Qbranch at 2169.8 cm−^1 ,Sbranch at 2181.4

cm−^1 , 2189.1 cm−^1 , etc.

Obranch at 2258.2 cm−^1 , 2150.5 cm−^1 , etc.

23.61

a.

1

λBC

 2143 .2cm−^1

b.

1

λ

 4259 .9cm−^1

c.

1

λ

 3 .844 cm−^1

d.

1

λ

 7 .688 cm−^1

23.63

IR: yes; Raman: no

23.67

a. FALSE

b. FALSE

c.FALSE

d. TRUE

e.FALSE

f. FALSE

g. FALSE

h. FALSE

i. FALSE

k.FALSE

l. FALSE

m.FALSE

n. TRUE

Chapter 24 Exercises

24.1

b.south;B 3. 00 × 10 −^6 T 0 .0300 gauss

24.2

a. F 0

b. Fk(1. 394 × 10 −^22 N)

24.3

μ 2. 39 × 10 −^5 Am^2

24.4

ν 1. 40 × 1010 s−^1

λ 2. 14 × 10 −^2 m

24.5

population ratio 0. 999996575

24.6

two lines of equal intensity

24.7

There will be a peak of area 1 withδ≈10 ppm. There

will be a peak of area 2 with a value ofδaroundδ≈4.

There will be a peak of area 3 aroundδ≈ 2