Physical Chemistry Third Edition

K Answers to Numerical Exercises and Odd-Numbered Numerical Problems 1327

9.77
a. ρ3130 kg m−^3
b. No. of nearest neighbors≈ 11. 7

9.79
a. vmp 2. 24 × 10 −^4 ms−^1

〈v〉 2. 53 × 10 −^4 ms−^1

vrms 2. 74 × 10 −^4 ms−^1

b. ratio≈ 10 −^1.^7 ×^10

8

(≈0 to 64 digits)

c.z2(2) 2. 8 × 10 −^5 s−^1

d. Z 22  1. 4 × 104 m−^3 s−^1
e.z2(1) 1. 8 × 1017 s−^1
f. number of collisions 1. 8 × 1017 s−^1

9.81
a. rate 1. 43 × 1017 s−^1
b. rate 1. 81 × 1017 s−^1
c. rate of mass growth 1. 12 × 10 −^9 kg s−^1

9.81
a. 〈v〉 142 .2ms−^1
b. 〈v〉 141 .6ms−^1
c. λ 3. 14 × 10 −^8 m
d. z 5. 5 × 109 s−^1

9.83
a. FALSE
b. TRUE
c.TRUE
d. TRUE
e.TRUE
f. TRUE
g. TRUE
h. FALSE
i.FALSE
j. FALSE
k. FALSE
l.TRUE

Chapter 10 Exercises

10.1
|q|533 J

10.6
speed 0 .039ms−^1  3 .9cms−^1

10.7
R 1. 2 × 10 −^3

10.8

R 2. 11 × 105

(P 2 −P 1 )max 48 .2Pa

10.9

a. v374ms−^1

R 1. 86 × 106 (not laminar)

b. v 5 .77ms−^1

R244 (laminar)

c.rmax 0 .0547 m

10.10

DAr 1. 41 × 10 −^5 m^2 s−^1

10.11

At 77.7K,d 4. 61 × 10 −^10 m461 pm

At 273.2K,d346 pm

At 353.2K,d333 pm

10.12

d269 pm

10.13

d 4. 18 × 10 −^10 m

10.14

η/NmD 5 / 6

cVη/κm 2 / 5

DcVN/κ 12 / 25

10.15

a. Vm75 L mol−^1

b. Vm51 L mol−^1

10.16

Ea,η69750 J mol−^1

10.17

a. distance 2. 03 × 10 −^6 m 2. 03 × 10 −^4 cm

b. zrms 2. 16 × 10 −^4 m 0 .0216 cm

10.21

reff(Li+) 2. 38 × 10 −^11 m238 pm

10.22

a. Λ 390 .72 cm^2 ohm−^1 mol−^1

Chapter 10 Problems

10.3

|q|114 J

10.5

c. b 2  1. 00 × 107 s