Chem133 Chapter4

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ColeJT1227
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236516
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Chem133 Chapter4
Updated:
2013-10-08 19:54:08
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chem133 chemistry133 chemistry 133 Chapter4 chem foust
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Chapter 4 chemistry 133
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  1. What is a polar molecule?
    A molecule with a net charge of 0, but a partial negatively charged side and a partial positively charged side.
  2. Define electrolyte.
    A substance that conducts electricity when dissolved in water (or solution.)
  3. What happens to most covalent molecules in water?
    They dissolve, but remain as intact molecules, thus are non-electrolytes.
  4. All common coumpounds of group 1A(1) ions and ammonium ion (NH4+) are_.
    soluble
  5. All common nitrates (NO3-), acetates (CH3COO- or C2H3O2-), and most perchlorates (ClO4-) are _.
    soluble
  6. All common Chlorides (Cl-) bromides(Br-) and iodides (I-) are ___, EXCEPT those of _, _, _, and _.
    • soluble
    • Ag+
    • Pb2+
    • Cu+
    • HG22+
  7. All common fluorides (F-) are __ except those of _ and _ _.
    • Soluble
    • Pb2+
    • group 2A(2)
  8. All common sulfates (SO42-) are _ except those of _, _, _, _, and _.
    • soluble
    • Ca2+
    • Sr2+
    • Ba2+
    • Ag+
    • Pb2+
  9. All common metal Hydroxides are __ except those of (_ _) and the _ members of (_ _) [beginning with _]
    • insoluble
    • group 1A(1)
    • larger
    • group 2A(2)
    • Ca2+
  10. All common carbonates (CO32-) and phosphates (PO43-) are _ except those of _ _ and _.
    • insoluble
    • group 1A(1)
    • NH4+
  11. All common sulfides are _ except those of _ _, _ _, and _.
    • insoluble
    • group 1A(1)
    • group 2A(2)
    • NH4+
  12. Define acid.
    a substance that produces H+ ions when dissolved in water. ~,~
  13. Define base.
    A substance that produces OH- ions when dissolved in water.
  14. Hydrochloric acid is a (strong or weak) acid?
    • HCl
    • Strong
  15. Hydrobromic acid is a (strong or weak) acid?
    • HBr
    • Strong
  16. Hydriodic acid is a (strong or weak) acid?
    • HI
    • Strong
  17. Nitric acid is a (strong or weak) acid?
    • HNO3
    • Strong
  18. Sulfuric acid is a (strong or weak) acid?
    • H2SO4
    • Strong
  19. Perchloric acid is a (strong or weak) acid?
    • HClO4
    • Strong
  20. Hydrofluoric acid is a (strong or weak) acid?
    • HF
    • Weak
  21. Phosphoric acid is a (strong or weak) acid?
    • H3PO4
    • weak
  22. Acetic acid is a (strong or weak) acid?
    • CH3COOH, or HC2H3O2
    • Weak
  23. Lithium hydroxide is a (strong or weak) base?
    • LiOH
    • Strong
  24. Sodium hydroxide is a (strong or weak) base?
    • NaOH
    • strong
  25. Potassium hydroxide is a (strong or weak) base?
    • KOH
    • Strong
  26. Rubidium hydroxide is a (strong or weak) base?
    • RbOH
    • Strong
  27. Cesium hydroxide is a (strong or weak) base?
    • CsOH
    • Strong
  28. Calcium hydroxide is a (strong or weak) base?
    • Ca(OH)2
    • Strong
  29. Strontium hydroxide is a (strong or weak) base?
    • Sr(OH)2
    • Strong
  30. Barium hydroxide is a (strong or weak) base?
    • Ba(OH)2
    • strong
  31. Ammonia is a (strong or weak) base?
    • NH3
    • Weak
  32. The oxidizing agent is _: it _ electrons
    • reduced
    • gains
  33. The reducing agent is _: it _ electrons.
    • oxidized
    • loses

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