CHEMISTRY (WEBWORK)

59,669 results, page 17

  1. chemistry

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

    what is the punctuation of molar mass
  3. chemistry

    1.25 g of HClo3 has_____________ molecules (how many) ?
  4. chemistry

    Why isn't sucrose an electrolyte
  5. chemistry

    what is average kinetic energy?
  6. Chemistry

    Is 50.0 mL of 1.0 M HF and 25.0 mL of 1.0 M NaOH a buffer with an approximate pH of 3? I say yes. Right?
  7. chemistry

    How many unpaired electrons for cr3+
  8. chemistry

    Alternative of sodium arsenate
  9. chemistry

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

    Provide an example of a spontaneous reaction
  11. chemistry

    1) You have 300 g of H2O how many molecules do you have?
  12. chemistry

    1) You have 300 g of H2O how many molecules do you have?
  13. chemistry

    calculate the pH of a 2.0 M solution of KCl.
  14. Chemistry

    What quantum numbers specify these subshells? 2s n= l= 3p n= t= 6d n= l=
  15. chemistry

    help balance HNO2+HNO3
  16. chemistry

    H2(g)+Cl2<--->2HCl(g)+184kj
  17. Chemistry

    38. Identify the type of reaction. A + B --> AB A + BC --> AC + B Thanks -MC
  18. chemistry

    how many atoms in 8.87g of silver
  19. Chemistry

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

    i have aproblem in balancing equations
  21. chemistry

    how many significant figures in 200600
  22. chemistry

    when is a chemical bond broken
  23. Chemistry

    How does a pH of a buffer solution go outside of its range?
  24. chemistry

    Given that PVnR=T, solve for n if P = 36.0, V = 8.6, R = 0.08, and T = 200
  25. Chemistry 105

    How many mL of O2 will form from 55.2g KClO3?
  26. chemistry

    what does the spectrum of hydrogen tell us about its electrons?
  27. chemistry

    determine the pH of this solution. [OH-]=4.25 * 10^-5 M. Is the answer 4.37??
  28. chemistry

    why do we perform tritation many times ?
  29. chemistry

    resonance structures of ch3nco
  30. chemistry

    what is brandy's solution in chemestry?
  31. Chemistry - Naming

    What would be the name of this compound? Si4Br8
  32. chemistry

    give the [OH] of a vinegar solution that has a pH of 3.2. i got 6.3 *10^4. is that right?
  33. chemistry

    how do you read this formula: 2Au2O3
  34. chemistry

    what are four examples of solution for which the concentration must be known?
  35. AP CHEMISTRY

    how did u get .0444 in the question i just asked
  36. chemistry

    explain the fire symbol
  37. chemistry

    A salt is obteind as a reaction between
  38. chemistry

    How many molecules are in 25 grams of NH3
  39. Chemistry

    How can i find the abundance of an isotope?
  40. chemistry

    Why does a balloon become smaller when placed in a freezer?
  41. Chemistry

    How many moles of SiO2 will contain 48 g of oxygen?
  42. chemistry

    give electron configuration for a> Na b) Na+ c) O d)O ^2-
  43. Chemistry

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

    what is the exponent power of a liter??
  45. Chemistry

    can u calculate the number of moles 0.5g of H?
  46. Chemistry

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

    What is structural formula of Ester?
  48. chemistry

    what can be the source of error in titration?
  49. chemistry

    Is there a reaction? 2 NaNO3 + ht →
  50. chemistry

    calculate the valume of 200g og h2
  51. Chemistry

    Is there an equation for acid rain? What is it?
  52. Chemistry

    Show how an atomic structure look like
  53. chemistry

    1. What quantum numbers specify these subshells? 5s: n=? l=? 5p: n=? l=? 3d: n=? l=?
  54. Chemistry

    How is limestone used to make mortar?
  55. Chemistry

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

    write 63 ml in scientific notation
  57. chemistry

    please give me an example of a nanocomposite material
  58. chemistry

    a little help please? Anyone? can someone explain to me the trend in radii of O2-, F-, Na+, and Mg+
  59. chemistry

    How many molecules are in 25 grams of NH3
  60. chemistry 111

    How many moles are in 6.35 g of NaOH
  61. chemistry

    How is salt nd hydrogen produced
  62. chemistry

    How many grams are there in 2 moles of sodium?
  63. chemistry

    medicine you would find in your house?
  64. chemistry

    What is the hydroxide concentration if the hydronium is .03 M?
  65. Chemistry 101

    what is CAH2 + H20
  66. chemistry

    determine the mass of a 1.75 cm piece of Mg if 30 am =.42 g?
  67. chemistry

    How many moles of platinum would be in 10.0 g of this metal?
  68. CHEMISTRY

    How to make a 2% iron solution?
  69. Chemistry

    What is the suffix for an alcohol which contains more than three -OH groups?
  70. Chemistry

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

    STP conditions are considered to be
  72. Chemistry

    Calculate normality of 27% H2SO4
  73. Chemistry

    Would copper (II) phosphate be nonpolar?
  74. Chemistry

    Please explain the process of diffusion.
  75. Chemistry

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

    what is the name for a solution that can dissolve no more solute ?
  77. Chemistry

    What is the Lewis structure for IF4-?
  78. Chemistry

    What does a covalent bond consist of? Thanks!
  79. chemistry

    How can you tell if an acid is ionic or covalent?
  80. Chemistry

    What is the difference between inference and observation?
  81. chemistry

    please me,,,what is the structural formula of endosulfan?
  82. CHEMISTRY

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

    what is the volume of the unit cell
  84. chemistry

    Why are water molecules polar?
  85. chemistry

    Ammonia gas is dried using
  86. Chemistry

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

    Is esterification a condensation reaction?
  88. chemistry

    If the ground state is 4S^2 , what is the name of the element
  89. chemistry

    How many molecules in 8.221g PbO2?
  90. Chemistry

    What is the hybridization of phosphorous in a P4 molecule
  91. chemistry

    what is the equivalent of 0.46ml in microliters?
  92. Chemistry

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

    1.25 x10^-5g/ 0.75 moles = Not sure what the ^ stands for
  94. Chemistry

    Co-ordination number of Cr in Cr(n^6 - C6H6)2 is
  95. College Chemistry

    Pb+NO3+Na2SO4-->?
  96. Chemistry

    How many molecules are in 2.6 grams of H2O?
  97. chemistry

    How many atoms are contained in 8.8 g of CO2?
  98. Chemistry

    Why does molarity depend on temperature?
  99. chemistry

    draw amino acid.
  100. CHEMISTRY

    BLEACHING AGENT OF CHLORINE(Cl)
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