chemistry! URGENT

61,552 results, page 44

  1. chemistry

    What is the percent composition for Lucky Charms?
  2. chemistry

    give a definition of ionic bonding
  3. Organic Chemistry

    What is the chemical name for C7H13O?
  4. chemistry

    how do reciprocating heat engines work?
  5. Chemistry

    calculate the number of atoms in 31.5g of cadmium
  6. Chemistry

    How many electrons and how many protons are in the ion Cr6+?
  7. chemistry

    Convert 12 fluid ounces liters. (1 fl. oz = 29.57 cm^3)
  8. chemistry

    How many neon atoms are there in five moles?
  9. chemistry

    What is the density of PCl5 gas at STP?
  10. Honors Chemistry

    I got 206.67 g Fe, DrBob222
  11. chemistry

    How many mole are present in 5.03g gold
  12. Chemistry

    What mass of CO2 could be absorbed by 1.34 g of CaO?
  13. Chemistry

    what mass of sodium chloride contains 4.59*10^24
  14. Chemistry

    Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2.
  15. chemistry

    how to make 750ml of 1.5 m solution of naoh
  16. chemistry

    how do I convert 17.4 cubic ft into liters?
  17. Chemistry

    where does the n come from in a compound such as n-butane?
  18. chemistry 1

    A ^H corresponds to an process is it negative, endothermic
  19. Chemistry

    How does the process of chromium electroplating work?
  20. Chemistry

    How does the process of chromium electroplating work?
  21. chemistry

    why is the law of definite composition important?
  22. Chemistry

    Calculate the decrease in temperature when 2.00 L at 20.0 C is compressed to 1.00 L
  23. chemistry

    how to write the oxidation number for CL4
  24. Chemistry

    Which test for iron(II) ions is conclusive?
  25. Chemistry

    How does the Diethylacetal impurity arise in fermentation?
  26. Chemistry

    Is Al(OH)3 soluble in KOH or K2C2O4•3H2O?
  27. Chemistry

    Determine the [OH^-] of a solution that is 0.145 M in CO3^2-.
  28. chemistry

    What is the of an aqueous solution that is 0.128 M NH4Cl ?
  29. Chemistry

    Is the compound C2H3Cl polar or nonpolar and why?
  30. Chemistry

    Why is it important for you to know how to separate solids from liquids?
  31. chemistry

    How many millimoles of H+ are present in 1.00 L of 1.24 M CF3CO2H solution?
  32. chemistry

    what is the volume of 62.3 g of nitrogen gas at STP
  33. Chemistry

    What happens to the temperature of a gas when it is compressed?
  34. College Chemistry

    How do acids and bases react?
  35. Chemistry

    How do I decide whether something is polar or not?
  36. chemistry

    what is the relationship between pH and H+ and how do i show examples?
  37. Chemistry

    What is the amount in moles of 3.55g of zinc(Zn)
  38. chemistry

    What is plastic #7 used for? How is it related to cancer?
  39. chemistry

    How can u determine the molar mass of a compound?
  40. chemistry

    In the compound BACO3, what is the strongest IMF?
  41. chemistry

    in balancing I3- --- I- + IO3- wat is reduced to what
  42. chemistry

    in balancing I3- --- I- + IO3- wat is reduced to what
  43. chemistry

    If 30.0 mL of 4.8 10-2 M HBr is added to 21.5 mL of 3.6 10-2 M NaOH, what is the pH of the solution?
  44. chemistry

    What is the pH of a .10M (CH3)3N solution? Kb=6.40e-5
  45. chemistry

    How do you make a 100mL solution of 1.50 M of NaCl.
  46. Chemistry

    How do you solve for the experimental pKa when doing a titration?
  47. chemistry

    convert 353 torr to atm
  48. Chemistry

    Will or will no accor this reaction? Na + Al2(SO4)3
  49. Chemistry

    SO3, CaCO3, Ag2S, and Zn(OH)2. Is this right?
  50. chemistry

    how to write a mass blanc of cacl2
  51. Chemistry

    Why can't benzene dissolve sodium chloride?
  52. chemistry

    what does the arrow in a chemical equation mean?
  53. chemistry

    does a solution have to involve a liquid?
  54. Chemistry

    what are the products of the reaction? Cu3PO4 + HCl =
  55. Chemistry

    what are the products of the reaction? Cu3PO4 + HCl =
  56. chemistry

    what volume of O2 at STP is needed to react with 4.52 g of K
  57. Chemistry

    How many moles of potassium chromate were in 15 mL of K2CrO4?
  58. Chemistry

    How many grams of potassium chromate are in K2CrO4?
  59. Chemistry

    What was the molarity of K2CrO4? M = moles/liter
  60. Chemistry

    What is the pH of a 0.001 M formic acid solution? Ka = 1.8 x 10^-4. I don't know what to do!
  61. chemistry

    What is the mass of 1 mL of water at 4 deg Celsius?
  62. Chemistry

    What is the structural formula for 1-bromo-3,4-dimethylheptane
  63. chemistry

    How many total atoms are in 1.0 moles of H2O ?
  64. chemistry

    Find the molar mass of AlCl3
  65. chemistry

    How many moles are represented by 16.0g of ethanol, C2H5OH?
  66. chemistry

    Find the molar mass of Hg2Cl2
  67. chemistry

    what is the molar mass of the copper oxide?
  68. chemistry

    what is the explanation of the pure acetic acid?
  69. chemistry

    what is the explanation of 0.01M acetic acid ?
  70. chemistry

    Why are optical isomers not found for CH2ClBr?
  71. chemistry

    Why are optical isomers not found for CH2ClBr?
  72. Chemistry

    How do you find the density of Uranium Hexafloride?
  73. chemistry

    how many atoms are contained in 12g of H2O2 ?
  74. chemistry

    how many moles of Ba(OH)2 are present in 225ml of 0.400 Ba(OH)2
  75. chemistry

    mole ratio of (CaSO4)2.H2O
  76. chemistry

    mole ratio of CaSO4.2H2O
  77. Chemistry

    mole ratio of Na2SO4.10H2O
  78. chemistry

    what product will form from dehydration of 2-methylcyclohexanol?
  79. chemistry

    for oxidation number of Fe(CO)5 I don't understand why Fe is zero
  80. chemistry

    what is the symbol for extreme temperature in lab
  81. Chemistry

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

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

    Please explain the process of diffusion.
  84. chemistry

    28.66ml(.7857 g/cm cubed)= meters
  85. Chemistry

    why is MgCI salt likely to not exist?
  86. Chemistry

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

    oxidation state of nitrogen in n2h4
  88. chemistry

    oxidation state of nitrogen. no2-
  89. chemistry

    wat are the main uses of aluminium
  90. chemistry

    what is the density of 700 ml of a gas that has a mass of 7 g?
  91. chemistry

    How are absorbance and transmission spectra related?
  92. chemistry

    What happens to p- toluidine at 225 degres?
  93. Chemistry 11

    Which is reactant and product ? 1) C(s)+O2(g)--> CO2 (g) 2) N2(g)+ O2(g) --> 2NO(g)
  94. chemistry

    how many significant figures does 221.5 have
  95. chemistry

    how many CO molecules do you need to react with water
  96. chemistry

    number of mole in 850.5g of zinc
  97. Chemistry

    Why does beta radiation take place?
  98. Chemistry

    What happens to the beta particle when stopped
  99. ap chemistry

    What is the molar mass of glucose, C6H12O6?
  100. chemistry

    How do basic and acidic buffers resist pH ?
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