CHEMISTRY (WEBWORK)

59,440 results, page 19

  1. CHEMISTRY

    hOW TO PREPARE HCL SOLUTION OF 5-7 pH.
  2. Chemistry

    Can you check my answer for the PH question @12:04 11/20?
  3. chemistry

    chemical reactions type?
  4. chemistry

    What is crystalline pprecipitate? Please.
  5. chemistry

    A solution with a pH of 7 has a [OH1-] of? 1 x 10-7 M?? Is that correct
  6. chemistry

    Why vaporization is a cooling process ?
  7. chemistry

    Why an atom is electrically neutral ?
  8. chemistry

    What is the molality of 67.1g of Nano3 in 2.5l of water
  9. chemistry

    How do I make a Smoke Bomb
  10. chemistry

    What is brownian motionand example
  11. Chemistry

    Chemical properties of salts
  12. chemistry

    Is sodium isotonic with Mg²+
  13. chemistry

    Please help what is the molecule CH3CH2CHCHCH3
  14. Chemistry

    Balance Fe2O3 + CO--> Fe + CO2
  15. chemistry

    Prove : Gr degree = 383 kj
  16. chemistry

    ho electrons are there in a silicon atoms?
  17. chemistry

    (2*10^3g/8.165g)/(0.071cm^3/0.051cm^3)
  18. Chemistry

    What is the uncertainty (+/- ?) of molar concentration (M)?
  19. Chemistry

    What is the percentage of nitrogen in N2O?
  20. chemistry

    10 l of a solution containing 1.5 moles of HI
  21. chemistry

    PH of gatorade and body sweat
  22. Chemistry

    If 30 ml of 02 M HCL with 45 ml what is the molarity of NaOH
  23. Chemistry

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

    I don't know what to do once I get the .49999 number
  25. Chemistry

    Can I call someone and talk to them
  26. Chemistry

    Does a k constant have a unit?
  27. chemistry

    A compound is 52.17 % C, 13.04 % H and 34.78 % O. What is its empirical formula?
  28. Chemistry

    2Li + Cu(NO3) > 2LiNO3 + Cu
  29. Chemistry

    Does methane dissolve in water?
  30. science

    write aout chemistry
  31. Chemistry

    is concrete homogeneous or heterogeneous
  32. Chemistry

    Is photosynthesis a reversible reaction?
  33. Chemistry

    Is fermentation an irreversible reaction?
  34. Chemistry

    Can I know the molarity of acid rain?
  35. chemistry

    Le Chatelier's principle lab
  36. chemistry

    Convert 1.01 x 10-8 seconds to nanoseconds
  37. CHEMISTRY

    what is the proper name for C6H14?
  38. Chemistry

    how many gram of Cl are in475g of CaCl
  39. chemistry

    how i can prepare 0.6M H3PO4(250ml).
  40. chemistry

    how i can prepare 0.6M 6H3PO4(250ml).
  41. chemistry

    6.3E10 cm converted to ft would be
  42. chemistry

    what is the anion and cation of Na2CrO4
  43. chemistry

    what is the anion and cation of Na2CrO4
  44. chemistry

    what is the bond order for BeF2?
  45. chemistry

    what is the molarity of the KCI solution.
  46. Chemistry

    Why is Hydrogen sulfate amphiprotic?
  47. Chemistry

    Can pi bonds be made from d-orbitals?
  48. Chemistry

    Can pi bonds be made from d-orbitals?
  49. CHEMISTRY

    ^H FOR CS2+3O>CO2+2SO2
  50. Chemistry

    Are there any disadvantages of a mass spectrometer
  51. Chemistry

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

    why potassium permegnate is colourd
  53. chemistry

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

    Cu+HNO3-Cu(NO3)2+NO+H2O
  55. Chemistry

    Can enzymes be called Polymers ?
  56. chemistry

    What is law of mass action
  57. chemistry

    what is the bond order of oxygen
  58. Chemistry 101

    what is CAH2 + H20
  59. Chemistry

    How many mL of 1.2 M HCl is needed to react with 5.8 g of Al(OH)3
  60. chemistry

    calculate the valume of 200g og h2
  61. chemistry

    why hexane dissolved in toluene?
  62. Chemistry

    What is the reaction of dilute HCl with Zn?
  63. Chemistry

    What is the mass of Na in 20g of Na2Co3
  64. Chemistry

    Convert 33°c and 43°c to Kelvin scale
  65. Chemistry

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

    How many mole of fe2o3 will be formed?
  67. chemistry

    how can we produce ethane from methane?
  68. chemistry

    Descibe the frasch process
  69. Chemistry

    how many atoms of S are in 9.2 moles of Na(SO4)2?
  70. Chemistry

    How do i calculate the pH of 0.0020mol/l HCl
  71. Chemistry

    What's the formula for Li2Co3+Co(NO3)3(aq) ->
  72. Science - Chemistry

    How many atoms in a diamond.
  73. chemistry

    How can diamond be formed artificially
  74. CHEMISTRY

    Why is I- a stronger reducing agent than F-?
  75. chemistry

    Is NH4+ po;ar or non polar?
  76. Chemistry

    How to convert 1.08g/ml to volume in ml?
  77. Chemistry

    Equation of Mg(OH)2 (aq) + KOH (aq) gives you what ?
  78. Chemistry

    What is Anta basic substance?
  79. Chemistry

    What is the oxidation state of Cr in K2Cr2O4?
  80. Chemistry

    How Many Atoms Are There In 10grams Of Carbon
  81. chemistry

    C2O4-- + I- + H+ ---> I2+CO2+H2O
  82. CHEMISTRY

    BLEACHING AGENT OF CHLORINE(Cl)
  83. Chemistry

    The solubility of copper sulphate at 0 C
  84. Chemistry

    Calculate normality of 27% H2SO4
  85. chemistry

    No. Of atoms in 12g of Mg is equal to
  86. chemistry

    How would you prepare 1. 100 ml of 0.20 M Ca(OH)2 from 0.50 M Ca(OH)2
  87. Chemistry

    pressure of Ne in sealed container
  88. Organic chemistry

    Nitrobenzene + KOH >>>>> ???
  89. Chemistry

    What is the pH of a 0.36% by mass HCl?(density=1.0 g/mL)
  90. chemistry

    What is the mass of 3.22mol of ethane
  91. Chemistry

    What is the ionic compound of SrMnO4
  92. Chemistry

    0.001N NaoH calculate the ph
  93. chemistry

    How many unpaired electrons for cr3+
  94. chemistry

    How I doing electrolysis of aluminium cloraed?
  95. chemistry

    Q: Find pH of 0.2 M of CH3COONa + 0.1M of CH3COOH?
  96. chemistry

    how to make 400 ml of 5% w/w h2so4
  97. chemistry

    why photosynthesis is considered as endothermic?
  98. Chemistry

    what is the OH- concentration of 0.08 M solution of CH3COONa
  99. chemistry

    why glycerol is used in cosmetics?
  100. chemistry

    ph of 0.001M H2X OF 50%dissosiation
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