CHEMISTRY (WEBWORK)

59,440 results, page 16

  1. chemistry

    what is the electronic configuration of Li, O, F, P, and B. Please help!!!!
  2. chemistry

    How many grams are there in 2 moles of sodium?
  3. AP Chemistry

    what is the oxidation state of iron in K4[Fe(CN)6]?
  4. chemistry

    Calculate the percentages of C,H,and O in C24H44O22.
  5. CHEMISTRY

    Grams/mole benzene
  6. chemistry

    Calculate the percentages of C,H,and O in C22H44O22.
  7. chemistry

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

    If 12 mL of a sample B weighs 4 g, the density of B is what?
  9. Chemistry

    what is the structure of CH3NH2 and CH3NH3
  10. Chemistry

    what is the pH of .115 M methylammonium bromide?
  11. chemistry

    30.0 mL of 1.50 M NaOH is diluted to 50.0 mL. What is the resulting pH?
  12. chemistry

    how do you determine if a measurement is an outlier?
  13. Chemistry

    ph balance of NaOH + H2O
  14. chemistry

    What is the percent composition of O in C8H8O3
  15. chemistry

    How many grams of calcium nitrate,
  16. Chemistry

    What is the oxidation states for K2CrO4
  17. Chemistry

    what is the mass percentage of Na in Nacl
  18. chemistry

    How many atoms are contained in 8.8 g of CO2?
  19. chemistry

    find the percent of BaBr^2*4H^2O
  20. chemistry

    why does a solution of ammonium acetate has a pH=7.5
  21. chemistry

    FeCI3(aq)t koh(aq) fe(oh)3(s) t kci(aq)
  22. chemistry

    how to find mass percentage
  23. chemistry

    write the reaction for Zn + HCl
  24. Chemistry

    What are the products of KOH + SO2?
  25. chemistry

    resonance structures of ch3nco
  26. chemistry

    How many grams are in 2.25 mole of NaBr?
  27. Chemistry

    What is the pH of a 0.0344 M KOH solution?
  28. chemistry

    what is the ph of a 2.0M solution of a strong acid?
  29. CHEMISTRY

    What is buffer, and how does it affect the pH of a solution?
  30. chemistry

    number of moles in CL- 1.75 L of 1.0*10 -3M ZnCl
  31. chemistry

    whatspecies are present in kcl
  32. Chemistry

    How many valence electrons does Mo+3 have?
  33. Chemistry

    How many isomers does bromoethane (C2H5Br)??
  34. Chemistry

    How many moles are in 51 g of (NH4)2SO4
  35. chemistry

    What is the molarity of KOH in a solution that has pH of 10.0?
  36. Chemistry

    What is the formula for measuring turbidity?
  37. chemistry

    How is salt nd hydrogen produced
  38. Chemistry

    Determine the number of moles in 56 g of N2
  39. Chemistry 12

    Is O2(g) <---> O2(aq) an endothermic/exothermic reaction, and why?
  40. Chemistry

    Calculate the normality of 5 M HCl
  41. CHEMISTRY

    What is the oxiden number of NO2?
  42. chemistry

    A 14.0g of N2 occupies what volume atSTP
  43. Chemistry

    Could NH4 ever be a gas?
  44. chemistry

    what are some examples of suspensions?
  45. Chemistry

    What are the types and benefits of phytochemicals?
  46. chemistry

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

    How can i prepare a solution of 12 g 50% (w/v) NaOH?
  48. chemistry

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

    how many atoms in 8.87g of silver
  50. chemistry

    Balance point of HCL
  51. chemistry

    calculate the pH of a 2.0 M solution of KCl.
  52. Chemistry practice

    x+y=9.0 0.50+0.20y=3.90 What is the valuse of x and y?
  53. Chemistry

    x+y=9.0 0.50x+0.20y=3.90 What is the value of x and y?
  54. chemistry

    What is the product when ethanol is oxidized?
  55. Chemistry

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

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

    how to calculate neutrons in 99Tc43
  58. Chemistry

    How many moles of Ne occupy 2.0 L at STP?
  59. chemistry

    How do I draw Lewis Structure for BN and CN-
  60. chemistry

    what does 9.54e-7+7.25e-4 equal?
  61. Chemistry

    What is the cleansing action of detergent?
  62. chemistry

    how to convert from 40.grams to tons
  63. chemistry

    state symbol for 2Mg
  64. chemistry

    a) How many micrometers make 0.4 m? b)How many µg in 4.732 mg?
  65. chemistry

    What are the oxidation states of chromium -6(Cr^+6).
  66. Chemistry

    how many grams of F are in 335 g of CaF2?
  67. chemistry

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

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

    why is polarity important
  70. Chemistry

    How do you calculate the concerntartion of vinegar?
  71. Chemistry

    convert 548mL to cm3
  72. Chemistry

    Determine the pH of a 0.10 M MgCl2 solution.
  73. Chemistry 105

    How many mL of O2 will form from 55.2g KClO3?
  74. CHEMISTRY

    how many elements in (NH4)2SO4
  75. chemistry 111

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

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

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

    DOES Mg(OH)2 HAVE A pH greater than 7 or less than 7
  79. Chemistry

    Identify the equation for which Keq= [Cu+]2[S2-]
  80. Chemistry

    How many valence electrons are in Na then in the 1+ion of Na?
  81. Chemistry

    The Aufbau Principle is concerned with what?
  82. Chemistry

    What is considered a secondary alcohol ?
  83. chemistry

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

    how do u find percent abundance?
  85. Chemistry

    Why water is a weak electrolyte?
  86. chemistry

    what is oxidation state of NO2
  87. chemistry

    Volume of 0.185 mol . L-1 and 0.74 M
  88. chemistry

    How many moles of NH3 are produced from 48.5 g of H2?
  89. chemistry

    STP conditions are considered to be
  90. chemistry

    1 atmosphere of pressure is equivalent to
  91. chemistry

    If the pH of a particular solution is 2.08, then the [OH -] must be:
  92. Chemistry

    What is the pH for a solution with a hydrogen concentration of 1.00 x 10^6?
  93. chemistry

    How many moles NaOH in 66.4 mL of 0.1 M solution?
  94. chemistry

    What is the pH of 14g of Ca(OH)2 dissolved to 350ml
  95. Chemistry

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

    What is the volume of 2.10 lb of ethylene glycol?
  97. chemistry

    what substances form if we add 3 O 1 Na 1 C and 1 H
  98. chemistry

    What isthe ionization of water?
  99. chemistry

    calculate[OH-],[H+] of a .20 M solution of triethylamine Kb=4.0*10^-4
  100. chemistry

    how many significant figures in 200600
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