Chap 4 answers - Answers 1. 1.5 x 102 2. D 3. -1.9 x 102 4....

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Answers 1. 1.5 x 10 2 2. D 3. -1.9 x 10 2 4. 2.7 x 10 3 5. There is insufficient information provided to answer the question. 6. D 7. E 8. B 9. -2.1 x 10 2 10. A 11. 3.5 x 10 2 12. C 13. 55 14. D 15. A 16. E 17. D 18. -1.8 x 10 2 19. 7.0 x 10 24 20. 3.3 x 10 2 21. 2.3 x 10 -13 22. D 23. C 24. 336 25. B 26. B 27. C 28. E 29. B 30. A 31. D 32. A 33. 496 34. A 35. 1.4 x 10 80 36. 7.0 x 10 -5 37. A 38. B 39. 6.0 40. -3.0 41. E
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42. -110 43. E 44. 192 45. D 46. A 47. B 48. C 49. B 50. B 51. D 52. 2.2 x 10 4 53. 206 54. C 55. D 56. B 57. E 58. 16.9 59. 42 60. 1.3 x 10 -14 61. a. Positive. All substances are gases but 27 moles of reactants produces 34 moles of products. b. Positive. Losing a solid, and forming aqueous solutions of ions. c. Negative. Gases have much more entropy than liquids. 62. The Second Law of Thermodynamics states that the entropy of the universe must increase for a spontaneous process. The "universe" is composed of the "system" and the "surroundings". Exothermicity favors spontaneity because exothermic processes always
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This note was uploaded on 02/05/2012 for the course CHEM 116 taught by Professor Stevenson during the Fall '08 term at Purdue University.

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Chap 4 answers - Answers 1. 1.5 x 102 2. D 3. -1.9 x 102 4....

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