Text: Physical Chemistry, 9th Edition, Atkins and dePaula

Chapter 20

Recommended :  Self tests: 1, 2,  Exercises: 1-13, Numerical Problems: 2, 3, 5, 6.

Homework 1: Due Monday, August 30, 2010:   (b) Exercises:   2, 4, 7, 9, 10, 13. Numerical Problems: 2, 6,

Answers: Eb2, a) 475 m/s,b) 45.5 km, c) 38.4 h^-1 Eb3, .0955, 1Eb4, <v⁴> = 15(RT/M)² derive <v⁴>^1/4/<v²>^1/2, Eb7, z=9.9 x 10⁸ s^-1 Eb9, 5.3 x 10²⁰, Eb10, 0.489g, 1Eb13, 41.4 days, NP2, a) 2.67 km/h E, b) 86.2 km/h, c) 86.4 km/h. NP6, Cd, 1.7 x 10¹⁴ s^-1, Hg, 1.1 x 10¹⁶ s^-1.

Chapter 21

Recommended : Self tests: 2, 3, 4, 5, 7, 8, 9, 10, (b)Exercises: 2-12, 14, 15, 16. Problems: 2(MC), 4(MC), 6(MC), 8(MC), 12, 13, 15

Homework 2: Due Monday, September 13, 2010, Self tests: 4, 5(MC), 7(MC).  (b)Exercises: 2, 7, 9,  10*, 11. Problems: 8(MC)   

*There is a typo in 21.10(b).  It should read: A second order reaction of the type A + 2 B = P was carried out in a solution that was initially 0.050 mol dm^-3 in A and 0.030 mol dm^-3 in B.  After 1 h, the concentration of B had fallen to 0.010 mol dm^-3. Calculate the rate constant.  

Answers: Eb2, Rate of consumption of A = 2.7 mol dm^-3 s^-1, rate of consumption of B = 8.1 mol dm^-3 s^-1, Rate of fromation of D = 5.4 mol dm^-3 s^-1,  Eb7, second order, Eb half-life = 9.74 x 10⁵ s, (a), 32.999 kPa, (b), 32.97 kPa, Eb10, 3.5 x 10^-3 dm³ mol^-1 s^-1, Eb11, (a) 0.014 mol dm^-3, (b), 0.027 mol dm^-3, NP8,  k = 1.18 x 10⁷ dm³ mol^-1 s^{-1 ,} half-life = 4.98 x 10^-3 s

Homework 3: Due Monday, September 20, 2010, Self-tests: 9, 10. (b)Exercises: 16, 18. Problems: 15(MC) ,

 Additional Study Problems chapter 21.  The "Additional Problems" will  not be turned in, but I will post the solutions.

Answers: Eb16 , Eb18, 7 kJ/mol

Chapter 7

Recommended: self-tests 1-3,  5, 6.  (a) Exercises: 3, 4, 5, 7, 8, 10, 12.  Theoretical problems: 17, 15  20, 

 Homework 4:   Due Friday, October 1, 2010. Self-tests: 1-3,  5, 6.  (b) Exercises: 3, 4, 5,  8, 15.  Theoretical problems:  24.   Additional problems
Answers:  Eb3, 5.82 x 10^-6 m; Eb4, (a) 9.93 x 10^-19 J per photon, 598 kJ per mol; Eb5, for 200 nm radiation, speed = 17.3 km/s; Eb7, (a) N = 3.52 x 10¹⁷ per s;  Eb8, (b) E_K = 6.84 x 10^-19J,  speed = 1.23 Mm/s; Eb15, min. uncertainty in speed of electron = 5.8 x 10⁵ m/s, min. uncertainty in location of electron = 100 pm.   

Chapter 8

Recommended: self-tests; 1-4, 6, 8.  a and b Exercises: 1 - 14, 18 - 24, Numerical problems:  1-4

Homework 5: Due Monday, October 11, 2010, Self-tests: 2, 3, 4, (b) Exercises: 1, 4, 6, 8, 9, 10, 11, 14, 17.

Answers:  Eb1, 2.14 x 10^-19 J, Eb4, <x> = L/2, <x²> = L²[1/3-1/(2n²pi²)], Eb6, L/10, 3L/10, L/2, 7L/10, 9L/10, Eb8, E_n+1 - E_n = 1.71 X10^-31 J, wavelength = 27.6 pm, Eb9, 3.92 x 10^-21 J, Eb10, k = 260 N m^-1, Eb11, 1.32 x 10^-5 m, Eb14, see key, Eb17, zpe = 2.34 x 10-20 J.

Homework 6: This will not be turned in, but you will be responsible for the material in the Second Hour exam. (a) Exercises: 12, 18, 21, 22, 23, (b)E, 24, Numerical problems:  1, 2, 3, 4.  Additional problems. Study questions for "Particle on a ring", 

Chapter 12

Recommended:   a and b Exercises: 1, 5- 9, 12-16, 18-24.  Problems: 2, 4, 5, 6, 7, 11, 12, 14,  Additional problems

Homework 7:  Due Friday, Nov. 5, 2010:  (b)Exercises: 5, 6, 7, 9(MC)sample MC, 13, 15, 16, 17. Problems : 2,  5(MC), 8. Additional Problems 1 Problem1 in "Additional Problems".  

Answers:  E5b, 3.475 x 10¹¹ Hz, E6b, (a) 3.307 x 10^-47 kg m², (b) 141.4 pm; E7b, 162.8 pm; E13b, J_max = 36 at 25^oC; E15b, 28.4 per cent; E16b, 245.8 N/m;  E17b, (a) N₂/N₁ =0.212, (b) N₂/N₁ = 0.561;  P2, R_o = 112.83 pm, R₁ = 123.53pm;, 128.13 pm,  P7 116.28 pm, 155.97 pm. "Additional problems1" 1. N_rel(7) = 14.02

Homework 8:  Due Friday, Nov. 12, 2010: Self tests: 7,  (b)Exercises: 19, 20, 22. Problems: 14, 26(skip part dealing with CH₄).  Additional problems 2

Answers: Eb19, &nu = 2374.05 cm^-1, x_e = 6.087 x 10^-3, Eb20, D_e = 4.15 eV, D_o = 4.01 eV, Eb22, 2347.16 cm^-1 P14, a)&nu = 152 m^-1, k = 2.72 x 10^-4 kg s^-2 , I = 2.93 x 10^-46 kg m², B = 95.5 m^{-1 ,} b) &nu = 293 cm^-1, x_e = 0.96, P26, For ICl, J_max = 30.

Chapter 9

Recommended:  Self-tests: 1-7, 10, 11. Exercises:  3, 4, 7-14, 16, 18, 19, 22-27. Problems: 1-3, 7 additional problems

Homework 8: Due Monday, Nov. 22, 2010: Self-tests: 2, 3(MC)Sample MC., 4. (b)Exercises:1, 2, 5, 11

Take-Home Quiz (20 points).  Due at the beginning of class on Wednesday Nov. 24, 2010.

Homework 9: This will not be turned in, but you will be responsible for the material on the Final exam. Selt tests: 10, 11.  Exercises; 22, 23, 24, 25, 26, 27. Problems: 4, 6. Additional problem  

Chapter 10

Recommended:   self-tests: 3, Additional problems, Sample mathcad for problem 2 of Additional problems.