CHEMISTRY (WEBWORK)

59,669 results, page 12

  1. Chemistry

    Calculate the [H+] in a solution that has a pH of 9.00.
  2. Chemistry

    What is the chemical formula and name for: Na+1 and Na-3?
  3. CHEMISTRY

    WHEN DOES A CHEMICAL BECOME A DRUG?
  4. CHEMISTRY

    What are the ka and kb reactions of NaHSO3 ?
  5. chemistry

    a 5.0 g sample of KBr at 25.0
  6. Chemistry

    What is the oxidation state of Fe in Fe(CO)5
  7. chemistry

    What is the shape of H3C+ ?
  8. chemistry

    how to do a research paper
  9. chemistry

    The shape of H3C+ is best described as?
  10. chemistry

    what are the examples of suspension
  11. 9th grade chemistry

    what is the
  12. chemistry

    what are the electrolytes in ORS?
  13. Chemistry

    1 NHzSO4 is what molarity
  14. chemistry

    What is crystalline pprecipitate? Please.
  15. chemistry

    what is the structure of OF anion?
  16. chemistry

    When does a chemical become a drug?
  17. ap chemistry

    what is the pH of 2.50M HF (aq)? Ka=7.2X10^-4
  18. chemistry

    How do you do the hybridization of CBr4?
  19. Chemistry

    Which base is the strongest for the given [H+]? A)10^-9 B)10^-11 C)10^-10 D)10^-12
  20. chemistry

    is a element an atom?
  21. Chemistry

    A sodium cation is what?
  22. chemistry

    55 gm laughng gas contains ---------gm N.
  23. Chemistry

    100.0cm3 of
  24. chemistry

    give 30 example of solute
  25. Chemistry

    What is the OH- concentration of a solution whose pH is 12.40?
  26. Chemistry

    Boiling occurs when?
  27. chemistry

    Zn salts are colour less.Why?
  28. chemistry

    will someone please help me on dimensional analysis
  29. chemistry

    does fire have matter?
  30. Chemistry

    HBrO3 has a Ka of 3.6 x 10^-6. What is the pH of a 2.0M solution?
  31. Chemistry

    a 2.0M solution of Hbr will have what pH?
  32. chemistry

    how do you convert 7.5% w/v NaCI to mM
  33. chemistry

    what is the [h3o+] in a 9.93 x 10^-6 M Ba(OH)2 solution?
  34. chemistry

    please i need example of hno3 cuo
  35. chemistry

    What is 9.3 X 10 to 5th power
  36. chemistry

    16.3g equals how many cg? someone helllllllllllp
  37. chemistry

    how many molecules are there in 53 g of CaO ?
  38. chemistry

    so is is set up like 356.2J=25.0g(36.5C-22.0C) ?
  39. Chemistry

    DrBob, if you're still on...what do I do for NaCl??
  40. chemistry

    the value of this quantity for water is ?
  41. chemistry

    is Li3As a semiconductor
  42. Chemistry

    Which one of the following is a diastereomer of (2R,3R)-2,3-dibromopentane? How do I got about this?
  43. Chemistry

    C+H2O ARROW CO+H2
  44. chemistry

    which reactant has been oxidized?
  45. chemistry

    how to draw 1,2 - diethyclyclohexane?
  46. Chemistry

    5.000g / 2.5mL = ?
  47. chemistry

    What are [H+] and [OH-] for 0.01 M perchloric acid?
  48. chemistry

    What is avogadro's law
  49. chemistry

    pH of 0.3M of sodium acetate
  50. Chemistry

    What is an unsaturated hydrocarbon?
  51. Chemistry

    what happens to a battery when it is "recharged"
  52. chemistry

    What is the pH of a 0.150 M NH4CN
  53. chemistry

    what is the value of [OH-] in a 0.730 M solution of Sr(OH)2?
  54. chemistry

    examples of solutions
  55. Chemistry

    how to find the pH of 0.10 M H2SO4 ??
  56. Chemistry

    What is PAV glue?
  57. Chemistry

    What is chemical name for Na2Cr2O2?
  58. chemistry

    what is shorthanded configuration of Mg and Cl
  59. chemistry

    CH3BR+_->_+C2H6
  60. chemistry

    iron+oxygen
  61. chemistry

    how many phases do suspensions have?
  62. chemistry

    WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?
  63. chemistry

    diffination of saturated?
  64. chemistry

    what is a strong acid
  65. Chemistry

    Does anyone know what is phenoxyethyolated alchohol?
  66. chemistry

    MgO + HNO3 =
  67. chemistry

    MgO + HNO3 = ?
  68. Chemistry

    Which of the following is a negative ion? Na+1,Na,O-2,O? All of them?
  69. chemistry

    C6H5NO2+? = C6H5N2Cl
  70. Chemistry

    What's the pH of 0.15M C3H6O3?
  71. Chemistry

    What is PVA glue?
  72. Chemistry

    Convert 9.45 μm to inches.
  73. Chemistry

    What is PAV glue?
  74. Chemistry

    H2S+Is >2HI+S
  75. Chemistry

    how do i name this chemical? Fe(NO3)2
  76. Chemistry

    how do i name this chemical? S(ClO3)2
  77. chemistry

    how many moles of x in 33.3g of substance?
  78. chemistry

    How to get the hybridization of N IN NO2- ?
  79. chemistry

    frame 20 hcl
  80. chemistry

    If we have a concentration of H+ at 5 x 10-2 mol/L, what is the pH value?
  81. Chemistry

    Th pH of 0.00010 M HNO3
  82. Chemistry

    What is the cause of hexagonal structure ?
  83. chemistry

    KCl+Pb(C2H3O2)2==>?
  84. chemistry

    What are [H+] and [OH-] for 0.01 M perchloric acid
  85. chemistry

    Cu(NO3)2 (aq) + H2O===> ?
  86. Chemistry

    What are the changes associated with a chemical reaction?
  87. chemistry

    which of the following are isoelectronic species: Na+,K+,Mg+2,Ca+2,S2-,Ar
  88. Chemistry

    Why is the use of tin limited?
  89. chemistry

    A solution with a pH of 7 has a [OH1-] of
  90. ap chemistry

    how do you do an ice table?
  91. chemistry

    what is the electron configuration for S?
  92. Please Help

    Can someone please help with the chemistry problems? I need them to study.
  93. chemistry

    convert 5.98 x 10 to the 24th kg. to mg.
  94. chemistry

    what is the electron geometry of F^2, HF ?
  95. chemistry

    what are some examples of suspensions?
  96. chemistry

    What amount is a mol?
  97. chemistry

    what are three examples of a hypothesis? Or at least one....
  98. Chemistry

    How to convert 24.63cm to nm^2
  99. Chemistry

    Pb + S yield FeS
  100. Chemistry

    Why is C2H4 not an alkane?
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