chemistry! URGENT

61,843 results, page 53
  1. Chemistry

    a piece of silver contains 6.42x10^22 how many dozens does it contain
  2. College Chemistry

    How do acids and bases react?
  3. Chemistry

    how can a salt be related to a particular acid and a particular base
  4. Chemistry

    what is the gram formula mass of Mg(C103)2? help!
  5. Chemistry

    I want to make 10 ml solution of 80% NaOH and 20% KOH
  6. Chemistry

    Cambridge uses FA 1, FA 2 etc to name chemicals or solutions. What does FA stand for?
  7. Chemistry

    calculate the ph of titration of 50.0 ml of 0.140 m hclo (aq)
  8. Chemistry Help

    T=PV/nR P=0.96 V=0.045 n=0.002 g/mol R=0.082057
  9. Chemistry

    Fe(NO3)3+LiOH -> Fe(OH)3 + LiNO3 I cant get this balanced please help!
  10. general chemistry

    How many oxygen atoms are in 3.90 g of quartz?
  11. chemistry

    calculate the molarity of 18.0 ml of h2so4 in 2.0l of solution?
  12. chemistry

    Not sure how to complete this chemical reaction: Li + Fe(NO3)3 --->
  13. Chemistry

    4-methyl-2-pentyne show tautomerization
  14. Chemistry

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

    How many oxygen atoms in 9 grams of sugar?
  16. chemistry

    What is the correct formula for calcium nitrate
  17. chemistry

    What is the mass of 0.0137 mol of aspirin?
  18. chemistry

    What is the approximate Cl–Ca–F bond angle in the following molecule?
  19. chemistry

    How to distinguish between an acid and an alkali. DO not use indicators
  20. chemistry

    Prepare 250mL of 2.00%(w/v) CuSO4 from CuSO4x5H2O
  21. chemistry

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

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?
  23. Chemistry

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?
  24. Chemistry

    how many grams of oxygen are in 213.5g Fe2O3?
  25. Chemistry

    How do I quickly identify whether or not a salt is soluble?
  26. chemistry

    what would be the mass of an object if its density was 0.34 g/ml and had a volume of 23 ml?
  27. Chemistry

    How many grams are there in 2.3 ¡Á ¡¼10¡½^24 atoms of silver?
  28. Chemistry

    why are diamond tips used on industrial drills?
  29. Chemistry

    The most abundant noble gas in atmosphere among He, Kr, Ar, Xe?
  30. chemistry

    explain how to prepare a 200cm,0.25 ofH2SO4
  31. chemistry

    How much energy is released when 48.5 g of water freezes?
  32. chemistry

    entropy increase as temperature increases why
  33. Chemistry

    How do you solve for the experimental pKa when doing a titration?
  34. Chemistry

    What is the theoretical yield of PbI2 with 25.0 g of Pb(NO3)2?
  35. chemistry

    why isnt there a standard SI unit for volume?
  36. Chemistry

    How many kJ is released when 3.4 mol of water is frozen?
  37. chemistry

    Why does one mole of any gas occupy 22.4 liters?
  38. chemistry

    How many osmoles are there in 6.00 ML of a 6.0 N mg3(po4)2 solution?
  39. chemistry

    what is the molarity of 275mL of a solution containing 23.83 mg of Mg Cl(2)<small 2
  40. Chemistry

    What is the lewis structure for Propanoic Acid?
  41. Chemistry

    How much 0.10 M NaOH (in mL) is required to neutralize 8.00 mL of the 0.10 M HC2H3O2?
  42. Chemistry

    what is a common physical property of ester?
  43. Chemistry

    How do you cope with a fire on your labatory bench?
  44. Chemistry

    What is the molecular equation for HCl(aq) + NH4OH(aq)?
  45. Chemistry

    what is the theoretical yield of Sodium Hydroxide
  46. chemistry

    What must be the pH of a solution that is 0.067 M Fe3+ to just cause Fe(OH)3(s) to precipitate?
  47. chemistry

    what is the solid remains in lithium trioxonitrate v
  48. 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?
  49. Chemistry

    Does HCl form a precipitate with NaClO?
  50. Chemistry

    I need the name of the following compounds using the IUPAC method: O CH2CH3 O || | // / \/ \/ \ OH

    How do the indicators work , by changing color ?

    how many hao's exhibited by S16? my answer is 4?
  53. Chemistry

    why do isomers have different properties? please give examples.
  54. chemistry

    How many grams of O2 are required to burn 13.0g of acetylene?
  55. Chemistry

    How many molecules are in 15g CH4? How do you figure this out?
  56. Chemistry

    What is 100mL of water + 45.00g of ice?
  57. chemistry

    how many grams of aluminum are in 25.0 ml of a 14%(w/v) solution of Al2O3?
  58. chemistry

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

    in balancing I3- --- I- + IO3- wat is reduced to what
  60. College Chemistry

    how many liters of ethanol contain 1.5 kg of ethonal?
  61. chemistry

    what is the salt name for Fe3+ reacting with CrO4 3- Thanks!
  62. chemistry

    In deciding which has more entropy, would it be correct to say s<l<g<aq or s<l<aq<g I'm thinking the second one....
  63. chemistry

    What is the solubility of Ca3(PO4)2 in 0.06 M of K3PO4
  64. chemistry

    What is the pH of a 100g/l solution of potassium cyanide?
  65. Chemistry

    What's the lewis dot structure for CH2Cl2 ??
  66. organic chemistry

    calculate the pH of a 1.25 x 10^-3 M HNO3 solution
  67. chemistry

    How are mm, torr, psi, atm, and Pa related to each other?
  68. chemistry

    what would the final volume of water be if 80 kJ were added
  69. chemistry

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

    How many moles of Ca(OH)2 are in 4.10 kg of Ca(OH)2? Answer in units of mol
  71. Chemistry

    It is possible blank the products of some chemical reactions?
  72. Chemistry

    What is the pH of a 0.0250 M solution of HCN? Ka = 4.0x10^-10
  73. chemistry

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

    why is graphing a useful way for scientists to display data?
  75. chemistry

    Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80.
  76. chemistry

    what is the mass of oxygen in a 5.6 g sample of Al(NO3)3.
  77. chemistry

    how many grams of drug are in 75mL of a 4% solution/
  78. chemistry

    is water hard or soft if it contains 1.8 moles
  79. Chemistry

    What are the orbital used in the formation of [COCL4]^2- ?explain this..
  80. Chemistry

    What is the Delta H value for water that is evaporation in Joules?
  81. Chemistry

    Which stage of ionization usually produces more ions?
  82. Chemistry

    how many ml of .5M HCL are required to neutralize 600 mg of Mg(OH)2?
  83. Chemistry

    The separate suspended solid from a solution , we may use .......
  84. chemistry

    can someone please give me the name of this coumpound, not what type it is. I really need this name thanks. CH3OCH2CH2CH3
  85. chemistry

    hypothesis of reation between iron and sulphur
  86. Chemistry

    The solubility of AgCl (s) is 2.5 x 10^-5 M. calculate the ksp
  87. Chemistry

    What is the chemical formula for coconut oil?
  88. chemistry

    reagents used to convert thymol to menthol
  89. college chemistry

    if my sublimation apparatus imploded, what was the cause of it?
  90. chemistry

    which of the folllowing species is not isoelctric with any of the others? a)V3+ b)Ca2+ c)Ar d)CL- e)S2-
  91. Chemistry

    If 20.0 g of N2 has a volume of 4.00 L and a pressure of 6.0 atm, what is its temperature?
  92. chemistry

    How to prepare 250.0 mL of 0.076M NaOH?
  93. chemistry

    what are the halogens at 25 degrees celcius and 1atm?
  94. Chemistry

    What are all the resonance Structures of Carbon Tetraoxide?
  95. Chemistry

    what is the balanced chemical equation for the reaction between Fe and S? ?Fe + ?S -->
  96. chemistry

    Which halogen can form only one oxidation state other than zero?
  97. Chemistry

    Is this equation correct? 8Fe + S8 --> 8FeS
  98. chemistry

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

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

    Why are optical isomers not found for CH2ClBr?