Chem Final

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Author:
scsoccerchic15
ID:
55396
Filename:
Chem Final
Updated:
2010-12-12 20:54:48
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Chemistry
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  1. Hydroxide
    OH-
  2. Phosphate
    PO4-
  3. ammonium
    NH4+
  4. NITRATE
    NO32-
  5. ACETATE
    C2H3O2-
  6. peroxide
    O22-
  7. Phosphate
    PO43-
  8. Sulfate
    SO42-
  9. hypochlorite
    ClO-
  10. Chromate
    CrO42-
  11. cyanide
    CN-
  12. chlorate
    ClO3-
  13. CARBONATE
    CO32-
  14. find wavelength when electron jups energy level:
    λ=hc/(R(n1-2-n2-2)
  15. λ=hc/(R(n1-2-n2-2)
  16. wavelength when given speed and mass
    E=h/m(kg)*v(m/s)
  17. Quantom numbers:
    ~n
    N= integers 1,2,3...
  18. quantom numbers:
    ~L
    0,1,2,3,...,(n-1)
  19. heat exchange
    ΔE=q+w
  20. q=
    mcΔt
  21. W=
    -pΔv
  22. endothermic=
    Δ>0
  23. exothermic
    Δ<0
  24. plancks constant
    6.626x10-34
  25. frequency(v)
    c/λ
  26. e=
    (with h and v)
    h*v=hc/λ
  27. quantom numbers
    ~ml
    -l...0...+l
  28. quantom numbers
    ~ms
    +1/2 or -1/2
  29. Born-haber cycle
    ΔHf=ΔH1+ΔH2+ΔH3+ΔH4+ΔH5
  30. elecronegativity trends
    • increase:
    • ^>
    • F has highest elecrtonegativity
  31. formal charge
    fc=
    valence e--lone pair e--1/2 bonding e-
  32. ΔHrxn
    Σ(ΔHbreaking bonds)+Σ(ΔHforming bonds)

    • breaking=+
    • forming=-
  33. Molecular geometry:
    2 groups
    • Linear
    • 180o
    • Hybrid: 2sp
  34. molecular geometry:
    3 groups
    • trigonal planer
    • 120o
    • Hybrid: 3sp2
  35. molecular geometry
    4 groups
    • tetrahedral
    • 109.5o
    • Hybrid: 4sp3
  36. molecular Goemetry
    5 groups
    • trigonal bipyramidal
    • 90o and 120o
    • Hybrid: 5sp3d
  37. molecular geometry
    6 groups
    • Octahedral
    • 90o
    • Hybrid: 6sp3d2
  38. CH3 will always have what molecular geometry?
    tetrahedral
  39. Molecular geometry:
    ~effect of lone pairs:
    occupy more space, affect polarity and geometry (2 bonded legs and 2 lone pairs will make BENT)
  40. Hybrid orbitals
    #legs=2
    2sp
  41. Hybrid orbitals
    #legs=3
    3sp2
  42. Hybrid orbitals
    #legs=4
    4sp3
  43. Hybrid orbitals
    #legs=5
    5sp3d
  44. Hybrid orbitals
    #legs=6
    6sp3d2
  45. all _____ bonds are sigma bonds
    single
  46. The first of each multiple bonds are ____ bonds, then the rest are ___ bonds
    Sigma, Pi
  47. Sigma bonds DO NOT exist in which type of overlap?
    a) s-s
    b) s-d
    c) s-p
    d) p-p end
    e) s-hybrid
    f) hybrid-hybrid
    B

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