atkins physical chem answers to 4th edition

atkins physical chem answers to 4th edition - Atkins...

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Unformatted text preview: Atkins & De Paula: Elements of Physical Chemistry: 4e NUMERICAL ANSWERS TO END OF CHAPTER EXERCISES Question Numerical answer Introduction 0.5 2.6 kJ 0.10 59 J 0.14 (a) 825 Torr; (b) 0.984 atm; (c) 0.212 atm; (d) 9.64 10 4 Pa 0.15 1.24 10 8 Pa ( = 1.22 10 3 atm) 0.16 1.6 10 2 0.17 1.5 10 3 Pa ( = 1.5 10 2 atm) 0.19 459.67 F 0.21 671.67 R 0.22 3.74 10 19 molecules 0.23 0.97 or 97% Chapter 1 1.5 89.2 kPa 1.6 4.22 10 2 atm 1.7 2.52 10 3 mol 1.8 6.64 10 3 kPa 1.9 10.0 atm 1.10 418 kPa 1.11 173 kPa 1.12 29.5 K 1.13 388 K 1.14 (a) 3.6 m 3 ; (b) 178 m 3 1.15 0.50 m 3 1.16 3.2 10 2 atm 1.17 (a) 1.32 L; (b) 61.2 kPa 1.18 713 Torr OXFORD H i g h e r E d u c a t i o n Oxford University Press, 2006. All rights reserved. Atkins & De Paula: Elements of Physical Chemistry: 4e NUMERICAL ANSWERS TO END OF CHAPTER EXERCISES 1.19 132 g mol 1 1.20 16.4 g mol 1 1.21 (a) p (H 2 ) = 2.0 atm, p (N 2 ) = 1.0 atm; (b) 3.0 atm 1.22 (a) (i) 693 m s 1 , (ii) 1363 m s 1 , (iii) 2497 m s 1 ; (b) (i) 346 m s 1 , (ii) 681 m s 1 , (iii) 1247 m s 1 1.26 0.91% 1.27 0.065 Pa 1.28 2.4 10 6 Pa 1.29 0.97 m 1.30 (a) 5.3 10 10 ; (b) 5.3 10 9 collisions; (c) 5.3 10 4 1.31 (a) 6.4 10 33 collisions; (b) 6.4 10 31 collisions; (c) 6.4 10 21 collisions 1.32 4.5 10 8 collisions/s 1.33 (a) 6.8 nm; (b) 68 nm; (c) 7 mm 1.34 independent of temperature 1.35 (a) 8.3 10 2 atm; (b) (i) 0.99 atm, (ii) 1.7 10 3 atm 1.36 4.37 MPa 1.37 + + + = ... 1 1 2 m m m V C V B V RT p 1.38 1.26 L 2 atm mol 2 1.39 1.02 10 3 K Chapter 2 2.5 (a) 98 J; (b) 16 J 2.6 39 J 2.7 2.6 kJ 2.8 3.03 J OXFORD H i g h e r E d u c a t i o n Oxford University Press, 2006. All rights reserved. Atkins & De Paula: Elements of Physical Chemistry: 4e NUMERICAL ANSWERS TO END OF CHAPTER EXERCISES 2.12 14 J 2.13 1.0 10 2 J 2.14 (a) 895 J; (b) 899 J 2.15 (a) 88 J; (b) 167 J 2.16 +123 J 2.17 +2.99 kJ 2.18 1.25 kJ 2.21 23.7 J K 1 2.22 42 kJ 2.23 4.4 10 4 J 2.24 38 J K 1 mol 1 2.25 6.1 10 2 s 2.26 1.86 10 3 J 2.27 773 J 2.28 8.0 J 2.29 29.3 J 2.31 (a) 2.479 kJ mol 1 ; (b) decreased 2.32 80 J K 1 2.33 q = +2.2 kJ; H = +2.2 kJ; U = +1.6 kJ 2.34 20.83 J K 1 mol 1 2.35 458 J mol 1 2.36 818 J mol 1 Chapter 3 3.6 2.53 10 4 kJ 3.8 39.8 kJ mol 1 3.9 q = +39.0 kJ; w = 3.12 kJ; H = +39.0 kJ (constant pressure); U = 35.9 kJ 3.10 301 kJ 3.11 478 kJ OXFORD H i g h e r E d u c a t i o n Oxford University Press, 2006. All rights reserved. Atkins & De Paula: Elements of Physical Chemistry: 4e NUMERICAL ANSWERS TO END OF CHAPTER EXERCISES 3.16 (a) 388 kJ mol 1 ; (b) smaller 3.17 (a) 16 kJ mol 1 ; (b) 3028 kJ mol 1 3.18 46.11 kJ 3.19 (a) 1560 kJ mol 1 ; (b) 2340 kJ 3.20 4564.7 kJ mol 1 3.21 85 kJ mol 1 3.22 432 kJ mol 1 3.23 +79 kJ mol...
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atkins physical chem answers to 4th edition - Atkins...

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