Physical Chemistry Third Edition

1344 K Answers to Numerical Exercises and Odd-Numbered Numerical Problems

Chapter 24 Problems

24.1
I500 A
I 3. 12 × 1022 electrons s−^1

24.3
I 7 .96 A

24.5
a. v 3. 05 × 108 ms−^1
b. K  3. 3 × 10 −^12 J

24.7
a. ∆Emag 1. 413 × 10 −^30 J

b. ν 2. 132 × 103 s−^1
λ 1. 406 × 105 m

24.9.
six lines with equal intensities

24.11
a. three lines with intensities in the ratios1:2:1
b. five lines with intensities in the ratios1:2:3:2:1

24.13
three lines with equal intensities

24.15
three lines with intensities in the ratios1:2:1

24.19
ratio 0. 99853

24.21
Bz 12 .0786 T

24.25
two lines

24.27

a. 1,1,1-trichloroethane

24.29
∆δ 0 .0175 ppm

24.33
a. single line
b. single line

24.41
a. Seven lines with equal intensities
b.A single line

c. Five lines with equal intensities

d. A single line without splitting

24.43

a. FALSE

b. FALSE

c.TRUE

d. TRUE

e.FALSE

Chapter 25 Exercises

25.4

〈εvib〉(0.99997)hν≈hν

25.5

〈εvib〉(1.0000)hν

25.6

sum 0. 99218

25.7

a. fermion

b. boson

c. fermion

d. boson

e. fermion

25.8

percent error 0 .0000003%

25.10

ForN10, 13.76% error and 0.05516% error

ForN60, 1.537% error and 0.00074% error

ForN200, 0.413% error and 0.0000483% error

ForN 1 × 109 , no difference to 9 significant digits

25.13

a. ztr 1. 937 × 1029

b. ztr 3. 639 × 1031

25.14

difference 1. 705 × 10 −^11

25.15

T− 5. 95 × 104 K

25.18

zrot 424. 6

25.20

zvib 1. 095