chemistry! URGENT

61,662 results, page 45

  1. chemistry

    what is the equivalent of 0.46ml in microliters?
  2. chemistry

    You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the smallest number of moles?
  3. chemistry

    DOES NO-3 VIOLATES OCTET RULE ?
  4. chemistry

    how do i change 2866.0 J to kJ/mol? can someone please help me?
  5. Chemistry

    The pH of a 1.0 x 10^-3 M Ba(OH)2 solution at 25 degrees C is how can 11.3 be the right answer.
  6. Chemistry

    If 5.05 L of a gas has a mass of 7.58 mg, what is its density in g/L?
  7. chemistry

    what happens when iron reacts with steam
  8. Chemistry

    Why is a beehive used in the preparation of hydrogen
  9. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?
  10. chemistry

    What is the oxidation number of sulfur in SO4-2?
  11. chemistry

    how can spectra be used in chemical analysis?
  12. chemistry

    4g of h2 reacts 70 g of ci2 and forms
  13. chemistry

    what happens when oil goes in the ocean. and what are the different effects
  14. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?
  15. Chemistry

    calculate the kb of ammonia if the ph of .5M solution is 11.48
  16. Chemistry

    calculate the kb of ammonia if the ph of .5M solution is 11.48
  17. Chemistry

    How many molecules are there in 6.8 grams of CO2
  18. chemistry

    How to convert centimeters into grams
  19. chemistry

    Calculate the pH of 1.28×10−3 M KOH. thanks.
  20. Chemistry

    [oh-]=3.0*10^-2M Is it a base neutral or acidic
  21. Chemistry

    How do you find a reaction order?
  22. Chemistry

    What is saponification (soap making) ?
  23. Chemistry

    Convert 1.445 +104m to km
  24. chemistry

    Keq = [0.25 - x] / [0.25 - x][2x] = [0.25 - ] / [0.25 - ][2()] = What numbers need to be substituted
  25. Chemistry

    What are some errors that can be made in colorimetry?
  26. Chemistry

    What is the Lewis structure for IF4-?
  27. chemistry

    wat are the main uses of aluminium
  28. chemistry

    what is the molarity of the KCI solution.
  29. chemistry

    3.1x1024 atoms of He into moles?
  30. Chemistry

    Molarity of 350ml of HCl?
  31. Chemistry

    What is the pH of a 0.200 M solution of HNO3? a. 0.70 b. 1.31 c. 6.18 d. 8.53
  32. chemistry

    What is the Leis Structure for PbCl3?
  33. CHEMISTRY

    Name of CH3CH(Br)CH=CHCH(CH3)2.
  34. chemistry 111

    How many moles are in 6.35 g of NaOH
  35. Chemistry

    how do you do lewis structure? I cannot seem to understand exactly what to do.
  36. AP Chemistry

    Convert 8.3×10^5 cal to kiloJoules
  37. Chemistry

    N2(g) + 3H2(g) ⇌ 2NH3(g) ΔH° = −92 kJ ΔS° = −0.20 kJ/K Which of the given is correct about the ΔG° at 35 °C? A. 30 kj B. -62 kj C. 62 kj D. -30 kj
  38. Chemistry

    How many moles are there in 52.3 grams of nickel
  39. chemistry

    What is the name of the following organic compound? CH_3CH_2CCCH_2CH_2CH_3
  40. chemistry

    Hi everyone, Why are metals more reactive in acids? Thanks
  41. chemistry

    what is the cation and anion of Na3PO4? thanks
  42. chemistry

    what is the bond order for BeF2?
  43. chemistry

    how to prepare 24 μL of 5% H3BO3
  44. Chemistry

    Why is dihelium less likely to exist than dihydrogen?
  45. chemistry

    balance the following ionic equation: Sn(2+)(aq)+ Mn(2+)(aq)----- Mn(5+)(aq)+ Sn (s)
  46. Chemistry

    What happens to an electron when a photon hits it?
  47. Chemistry

    Why does it take more energy to remove a electron from Al+ than from Al?
  48. chemistry

    covert 19.4g NH3 to moles
  49. chemistry

    how many gram of h2 needed to react with 3.10 n2
  50. Chemistry

    Fe 3+ + scn- + Na2PHO4 produces what exactly?
  51. chemistry - chromatography

    Hello, can you tell me why different colors have different rf values
  52. chemistry

    convert 8.99 x 10^2 m/s^2 units of km/hour^2?
  53. chemistry

    The number of moles of o2 in 45.0L} of 02} gas.
  54. Chemistry

    Molecular mass of sugar
  55. Chemistry

    What is the molecular formula of water?
  56. chemistry

    ph of 0.001M H2X OF 50%dissosiation
  57. chemistry

    How do you find Kc for an equilibrium problem?
  58. chemistry

    Ammonia gas is dried using
  59. Chemistry

    If 30.0 g of H2 were used, how many grams of NH3 would be made?
  60. chemistry

    How many moles of S are there 350 g of H2SO4?
  61. chemistry

    What isthe ionization of water?
  62. chemistry

    the # of protons in an atom of sodium-23 is
  63. AP Chemistry

    What is the structure for PCl3Br2 and 3 isomers?
  64. chemistry

    how many moles of CH4 will contain 4.31 x 10^23 molecules
  65. Chemistry

    Why N2(g) has a lower boiling point?
  66. Chemistry

    Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?
  67. CHEMISTRY

    Grams/mole benzene
  68. Chemistry

    Kg/m^2 is the unit of pressure how i prove it. Please help me.
  69. chemistry

    the # of electrons in an atom of Iron-56 is
  70. Chemistry

    What does it mean when we say that KHC8H4O4 is not hygroscopic ? thank for helping~
  71. chemistry

    What is the pH of an aqueous solution at 25°C in which [H+] is 0.025 M?
  72. chemistry

    Alternative of sodium arsenate
  73. Chemistry

    What are some paramagnetic inner transition metals?
  74. chemistry

    how to balance chemical equations
  75. Chemistry

    What are vinyllic organohalides? How would you be able to identify them? Thanks
  76. chemistry

    what is the h+ of a solution with a ph of 10 at 25 degree celsius
  77. Chemistry

    how many neutrons are in an element of mc where x =124 and y = 22
  78. Chemistry

    what is the lewis structure for CH3?
  79. chemistry

    When 25.0 g of Zn reacts,how many L of H2 are formed at STP?
  80. chemistry

    what is the anion and cation of Na2CrO4
  81. Chemistry

    How can the absorptivity of alumina be varied? Thank you all:)
  82. Chemistry

    How many liters are in .005 moles?
  83. chemistry

    what is the anion and cation of Na2CrO4
  84. Chemistry

    Balance the equation: Br2 +KI=
  85. Chemistry

    What happens to particles in thermal expansion?
  86. Chemistry

    What are radioisotopes? and Are they harmful to humans?
  87. Chemistry

    Name the following compound? FeCl3 x 6H2O
  88. Chemistry

    If a solution has a large Kb value, will it have a high pH?
  89. ChemIstry

    How any grams are there in 3.69 moles of sliver?
  90. chemistry

    Calculate the percentages of C,H,and O in C22H44O22.
  91. Chemistry - Naming

    What would be the name of this compound? Si4Br8
  92. Chemistry

    How many moles of OCl2 contain 38.42 g of Cl? Answer
  93. chemistry

    what are the physical properties of sucrose?
  94. Chemistry

    ph of a 0.234 m nahco3 solution look up the appropriate ka or kb value
  95. chemistry

    how many hydrogens would there be in 2,5,6 trimethylnonane and how do you find them
  96. Chemistry

    What is the balanced equation for Ba(OH)2 + HCl?
  97. chemistry

    How do you calculate molar mass again?
  98. Chemistry

    What is C7H6O3 in empirical form and how do you get there?
  99. Chemistry

    Co-ordination number of Cr in Cr(n^6 - C6H6)2 is
  100. chemistry

    The ionization potential of N is less than O, but larger than M.
  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. 17
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
  36. 35
  37. 36
  38. 37
  39. 38
  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
  47. 46
  48. 47
  49. 48
  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100