Physical Chemistry Third Edition

(C. Jardin) #1
1310 K Answers to Numerical Exercises and Odd-Numbered Numerical Problems

1.29
b. κT 4. 120 × 10 −^6 Pa−^1
For an ideal gas,
κT 4. 034 × 10 −^6 Pa−^1


1.31
b. P 1. 97 × 107 Pa194 atm


1.33
b. α 3. 363 × 10 −^3 K−^1


1.37
Van der Waals:Z 1 .1434 (0.86% error)
Dieterici:Z 1 .1255 (0.71% error)
Redlich–Kwong:Z 1 .1153 (1.6% error)


1.39
a. κT 9. 843 × 10 −^6 Pa−^1
b. κT 9. 945 × 10 −^6 Pa−^1


1.41
a. P 28 .8 bar
b. P 28 .8 bar


1.43
a. a 0 .4192 Pa m^6 mol−^2
b 5. 192 × 10 −^5 m^3 mol−^1
b. Z 0. 7305


1.45
a. N(N 2 ) 1. 9 × 1022 molecules
b. N(N 2 , in classroom, from Julius Caesar)≈ 1 × 106


1.47
b. V(25◦C) 1 .00294 cm^3
d. 3.9601◦C from the first set of parameters,
3.6066◦C from the second set of parameters
e.α 2. 069 × 10 −^4


1.49
a. TRUE
b. FALSE
c.FALSE
d. FALSE
e.TRUE
f. FALSE
g. TRUE
h. TRUE
i.FALSE
j. TRUE


Chapter 2 Exercises


2.1
a. wrev−8934 J
b. wrev−9065 J
2.2
a. w−507 J
b. w−859 J
2.4
a. wsurr507 J
b. ∆P− 3 .06 atm
2.5
q 1 .602 Btu
2.6
a. ∆m 2. 801 × 10 −^14 kg
2.8
w−8106 J
q8106 J
2.11
a. ∆U83 J
w−1824 J
q1907 J
b. ∆T− 6 .66 K
2.12
a. w−5690 J
q6708 J
b. q8151 J
w−7138 J
c.∆U1013 J
2.13
V 7 .98 L
2.14
T 2  473 .3K
∆U2184 J
w2184 J
2.18
a. P 2  1. 231 × 105 Pa 1 .215 atm
b. P 1. 231 × 105 Pa
2.19
w−5066 J
∆U−5066 J
T 2  418 .8K
T 2 (rev) 315 .0K
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