Examination Answers in Workbook

Examination Answers in Workbook - Sample Examination I...

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Sample Examination I Multiple Choice 1. D 2. A 3. D 4. E 5. D 6. B 7. D 8. D 9. A 10. B 11. D 12. B 13. E 14. B 15. E 16. E 17. E 18. C 19. A 20. E 21. D 22. E 23. B 24. D 25. B 26. A 27. A 28. E 29. B 30. D 31. C 32. E 33. E 34. C 35. A 36. D 37. C 38. C 39. E 40. C 41. B 42. B 43. D 44. A 45. D 46. A
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47. B 48. E 49. B 50. E 51. B 52. E 53. B 54. E 55. B 56. D 57. A 58. D 59. B 60. E 61. B 62. A 63. B 64. B 65. D 66. D 67. E 68. A 69. B 70. E 71. C 72. C 73. C 74. E 75. C FRQ Answers 76. A) CH 3 NH 2 + H 2 O ↔ CH 3 NH 3 + + OH - B) 0.010 M C) 2.5 * 10 -5 M D) 10.70 E) 0.032 mol OH - 77. A) Chromium anode, voltmeter, hydrogen gas on cathode side B) 2 (Cr → Cr 3+ + 3 e - ) E = 0.74 3 (2H + + 2e - → H2) E = 0.00 ------------------------------------------ 6H + + 2Cr ↔ 2Cr 3+ + 3H 2 E = 0.00 C) 0.74 volts D) 0.77 volts Favoring of products corresponds to an increase in voltage. 78. A) 1.88/1 B) 7.34 L C) 1.37/1 D) 42.2 cm 79. A) H + + HPO 4 2- → H 3 PO 4
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B) Li 2 O + H 2 O → Li + + OH - C) H 2 O 2 + Fe 2+ → H 2 O + Fe 3+ D) I - + H 2 O → H 2 + I 2 + OH - E) Cu + H + + NO 3 - → Cu 2+ + NO + H 2 O F) CaF 2 + H 2 SO 4 → CaSO 4 + HF G) C 2 H 5 OH + O 2 → CO 2 + H 2 O H) SCN - + Fe 3+ → FeSCN 2+ 80. A) Ionization Energies I) First electron is removed from neutral. Second electron is removed from +1 ion. More energy required to remove a negative electron from a positive body. Electron is closer to nucleus, thus more energy is required. II) Second electron for sodium comes from inner energy level. For magnesium, second electron comes
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Examination Answers in Workbook - Sample Examination I...

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