chemistry! URGENT

61,769 results, page 39
  1. chemistry

    how do I convert 17.4 cubic ft into liters?
  2. chemistry

    why is NaCl described as a strong electrolyte?
  3. Chemistry

    How can you determine which of any two halogens is more active?
  4. chemistry

    i have aproblem in balancing equations
  5. chemistry

    Is the ritalin molecule a polymer?
  6. Chemistry

    7.72 g of CuBr2 contains how many bromide (Br-) ions?
  7. chemistry

    calculate the pH of a 2.0 M solution of KCl.
  8. chemistry help

    What ratio does molarity express?
  9. Chemistry

    What happens to the beta particle when stopped
  10. chemistry

    How many grams of Al will react with 3.00 mol of 0(2)?
  11. Chemistry 105

    How many mL of O2 will form from 55.2g KClO3?
  12. Chemistry

    What does it mean to have a percent yield over 100?
  13. Chemistry

    How many moles of Ne occupy 2.0 L at STP?
  14. Chemistry

    What is structural formula of Ester?
  15. chemistry

    How many neon atoms are there in five moles?
  16. Chemistry

    Why does molarity depend on temperature?
  17. Chemistry

    How many molecules are in 2.6 grams of H2O?
  18. Chemistry

    What is the corresponding EM wave for: a) 274nm b) 71nm?
  19. chemistry

    how to calculate neutrons in 99Tc43
  20. Chemistry

    What is the purpose of a nuclear reactor?
  21. chemistry

    what is the ph of a solution formed by dissoving
  22. Chemistry

    37 grams of Ca(OH)2 in 500 ml of solution is
  23. chemistry

    define organic compound?
  24. chemistry

    ? [H3O+] in 0.15 M C2H2H8 and 0.35 M C2H2H9Cl
  25. chemistry

    describe global warming
  26. chemistry

    what is the 'big idea of energy'???!
  27. chemistry

    why do you use Na2Co3 extract of anions
  28. chemistry

    difference between cations and anions
  29. Chemistry

    Will ph value of water be same at temp 25°C & 4°C? Justify it.
  30. chemistry

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

    what is the element with the electron arrangement 2 8 7
  32. chemistry

    Ammonia gas is dried using
  33. chemistry

    how many CO molecules do you need to react with water
  34. Chemistry

    Why is it better to use titration rather than just diluting something in some circumstances?
  35. Chemistry

    if you have 100 mg of CaCl2, how many moles of Cl do you have
  36. Chemistry

    How much HNO3 can be made from 25.0g of NO2?
  37. chemistry

    If there are 35 drops in 1 mL, how many microliters are there per drop?
  38. chemistry

    how do you find how many hydrogens there would be in 2,5,6 trimethylnonane?
  39. Chemistry

    What is the theoretical molarity value of HCL
  40. chemistry

    How many grams equal 6.3 mol of N2?
  41. chemistry

    what happens when iron is reacted with iodine
  42. AP Chemistry

    What is the equation for Pour A Rainbow?
  43. chemistry

    The Ka of stearic acid is 1.3 x 10^-5. what is the Kb of stearate?
  44. chemistry

    why is platinum more expensive than gold??
  45. chemistry

    What is the pH if the hydrogen-ion concentration is 6.8 x 10^-7 M?
  46. Chemistry

    Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?
  47. chemistry

    chemical technology definition
  48. chemistry

    chemical technology definition
  49. chemistry

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

    If there are 35 drops in 1 mL, how many microliters are there per drop?
  51. Chemistry

    Pls what is another name for an octahedral molecule
  52. Chemistry

    Will ph value of water be same at temp 25°C & 4°C? Justify it.
  53. chemistry

    What is the volume in milliliters of 7.24 {\rm g} of acetone?
  54. Chemistry

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

    Determine the pH of 0.18M NH4Cl.
  56. chemistry

    How many moles are in 52.3 grams of CaSO4?
  57. chemistry

    How do you do conversions? For example: Convert 360 s to ms
  58. Chemistry

    Will ph value of water be same at temp 25°C & 4°C? Justify it.
  59. Chemistry

    Determine the pH of 0.18M NH4Cl.
  60. Chemistry

    Why would it be better to titrate a solution rather than just dilute it?
  61. Chemistry

    What is the correct IUPAC name for CuO?
  62. chemistry

    how many atoms in 8.87g of silver
  63. chemistry

    Atomic nature of glucose
  64. chemistry 111

    How many moles are in 6.35 g of NaOH
  65. CHEMISTRY

    how many elements in (NH4)2SO4
  66. Chemistry

    Determine the pH of 0.18M NH4Cl.
  67. chemistry

    calculate the number of liters in 7.05 x 10 ^-2 m^3
  68. Chemistry

    Determine the pH of 0.18M NH4Cl.
  69. Chemistry

    Determine the pH of 0.18M NH4Cl.
  70. College Chemistry

    Pb+NO3+Na2SO4-->?
  71. chemistry

    what should i be aware of when heating NH4andCO3
  72. Chemistry

    How many kilograms of chlorine are in 26 kg of C2F3CL3?
  73. chemistry.

    The mass % of C in methane (CH4) is?...Can any one help me????
  74. Chemistry

    What is the mass, in grams, of each of the following? 44.3 mol Xe
  75. chemistry

    what is not viewed with an electron microscope
  76. chemistry

    Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)
  77. chemistry

    Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)
  78. Chemistry

    What is the boiling point of heaxane?
  79. Chemistry

    Which species will reduce Ag+ but not Fe2+? 1. H2 2. Cr 3. V 4. Pt 5. Au
  80. Chemistry

    How many kilograms of chlorine are in 26 kg of C2F3CL3?
  81. chemistry

    what is the significant figure in the value of 20200
  82. chemistry

    two ways to measure matter?
  83. Chemistry

    What is the molecular mass of: C19H97Cl35
  84. Chemistry

    Is DrBob222 available tonight? Please let me know, I need some chem help.
  85. Chemistry

    What counts as a conversion factor ?
  86. chemistry

    3.0 g Al +HNO3 > Al(NO3)3 + H2 =how many liters
  87. bio chemistry

    why is polarity important
  88. Chemistry

    hOW can I convert 75.0 cmHg to atm? thanks
  89. Chemistry

    4. Which has a larger radius, S or S-2? Explain. thanks for the help !
  90. chemistry

    What is the mass in grams of 14.6 amu?
  91. CHEMISTRY

    iatrochemistry -what is it? -who created it? (facts about him/her)
  92. chemistry

    iatrochemistry -what is it? -who created it? cant use wikipedia :s thanks!
  93. chemistry

    what is the electron configuration for carbon
  94. Chemistry

    What is the empirical formula for Dichloroethane?
  95. Chemistry

    what is the formula to change the temperature of K to C
  96. Chemistry

    Which has a larger radius, Mg or Mg+2? Explain why. Thanks ! I think its Mg+2 but im not sure why.
  97. Chemistry

    what mass of sodium chloride contains 4.59*10^24
  98. chemistry

    how to convert ethane to propanone? Thank you!!!!
  99. Chemistry

    calculate the pH of 0.10 M HCI solution?
  100. chemistry

    what is the osmolarity of a .20 M solution of Na3PO4?