Chap 3 answers - Answers 1. B 2. 0.667 3. 9.8 4. 52.8 5. A...

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Answers 1. B 2. 0.667 3. 9.8 4. 52.8 5. A 6. 9.3 x 10 -6 7. D 8. C 9. C 10. 0.909 11. 13.7 12. 0.849 13. 41.9 14. A 15. 0.328 16. 0.10 17. A 18. E 19. 0.59 20. 0.91 21. D 22. A 23. 0.33 24. E 25. 76.90 26. B 27. A 28. A or C 29. E 30. 0.20 31. 60.2 32. B 33. B 34. C 35. A 36. C 37. 25 38. 1.6 x 10 2 39. B 40. C 41. A
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42. 0.68 43. 33.3 44. 427 45. A "dipole" results from the partial charge separation that occurs when two atoms with significantly different electronegativities are covalently bonded. Since the electronegativities of two iodine atoms are identical, iodine will not have a permanent dipole. 46. Acetic acid contains the group "OH". This will allow acetic acid to hydrogen bond with the solvent, water, much more efficiently than ethyl acetate (which lacks any "OH" groups). The more favorable attractive forces between water and acetic acid will lead to greater solubility. 47. Hard water contains dissolved salts and minerals. Since freezing point is lowered as the number of solute particles in a solution is increased, hard water would be expected to
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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-West Lafayette.

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Chap 3 answers - Answers 1. B 2. 0.667 3. 9.8 4. 52.8 5. A...

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