chemistry! URGENT

61,546 results, page 56

  1. chemistry

    can a nonpolar molecule be made up of polar bonds
  2. Honors Chemistry

    what happens when the change of energy is negative?.
  3. chemistry

    What four guidelines are useful in balancing an equation
  4. chemistry

    26 protons and 24 electrons. write the symbol of ions
  5. Chemistry

    calculate the percent water in CaSO4*2H20 20.9%?
  6. Brandy: chemistry

    We will be happy to critique your thinking,but not do your tests for you.
  7. Chemistry

    Is water neutral in terms of the charges it holds?
  8. Chemistry

    how do you do lewis structure? I cannot seem to understand exactly what to do.
  9. chemistry

    How many milliliters of dirt are there in a hole that has a volume of 51 liter?
  10. Chemistry

    Name the following compound? FeCl3 x 6H2O
  11. chemistry

    How many photons will be required to raise the temperature of 2.0 g of water by 2.5 K?
  12. chemistry

    what is the mass of one mole of carbon dioxide?
  13. chemistry

    What are the reduction potentials of lithium, sodium and potassium?
  14. Chemistry

    What kind of reaction is the following equation? Ca + H20 -> Ca(OH)2 + H2 (g)
  15. chemistry

    How many isomers are there of the complex ion [CoCl2(en)(NH3)2]+
  16. chemistry

    Will tetrahedral [ZnABCD]2+ display optical isomerism?
  17. Chemistry

    How do I convert the following quantity to moles? 44.0g of H2O
  18. chemistry

    HOW MANY MOLES IS 1.50*10 TO THE 23RD POWER MOLECULES NH3
  19. chemistry

    What is the volume at STP, in liters, occupied by 26.4 g of F2 gas?
  20. Chemistry

    What is the specific heat for Hydrochloric acid with the concentration of 0.3M?
  21. chemistry

    Is Procion Red dye a suitbale model?
  22. chemistry

    Calculate the pH of a 0.35 M solution of dimethylamine, (CH3)2NH.
  23. Organic Chemistry

    Carbocation: In which reaction mechanism is it an intermediate?
  24. CHEMISTRY

    GIVE AN EXPIRIMENT TO SHOW THAT AIR HAS WEIGHT.
  25. Chemistry

    What is the equilibrium constant of the reaction 2NO2 (g) with 3.0 M and N2O4 with 2.5M
  26. chemistry

    how do you get the percent of a solution that is 2.5 ml copper sulfate and 7.5 ml water?
  27. Chemistry

    The number of Pb atoms per unit cell
  28. chemistry

    which isn't a pure substance? 1.Cl2(g) 2.Fe(s) 3.O2(aq) 4.C6H12O6(b) 5.H2O(l)
  29. chemistry

    the frequency in hz of radiation having energy of 4.18 x 10^-21 j/photon?
  30. chemistry

    what determines whether a mixture is a suspension, or a colloid?
  31. chemistry

    How many moles are equal to 5.351E+23 atoms of molybdenum?
  32. chemistry

    What is the barometric pressure of water at 23.2 C, perferably in atm. Thank you.
  33. chemistry

    What is the vapor pressure of (in ) at 18.5? Carbon disulfide, , has = 100 at -5.1 and = 28.0
  34. chemistry

    how do you convert? how do you figure out molar masses?
  35. chemistry

    Your yield of crude product is 1.852 g. How many mL of 1 M NH3 (aq)
  36. chemistry

    give products for the CH3CH2CH2COOH + HOMe __+H___
  37. Chemistry

    H+(aq)+OH-(aq) =H2O(I) delta H -56.2 kJ final temp od solution?
  38. chemistry

    how do you find the number of neutrons in an element's atom?
  39. chemistry

    how do you find the number of neutrons in an element's atom?
  40. chemistry

    at STP, chlorine is a gas but bromine is a liquid. why is this?
  41. chemistry

    The molecular structure around the oxygen in water is???
  42. Chemistry

    What is the mass percentage of 55.0 g of KCl in 125 g of water?
  43. Chemistry

    Write an equation that explains the conductivity of NH3
  44. gr.12 chemistry

    write two geometric isomers for 2-heptene
  45. chemistry

    what is the smallest fraction of a milliliter to which you can make a measurement
  46. Chemistry

    What are the products when you add water to 2-methyl-2-pentene?
  47. chemistry

    if 5g of CH3COOH reacts how many moles of CO2 will be produced?
  48. Chemistry

    What is the volume, in liters, of 5.00 mols of carbon dioxide?
  49. Chemistry

    What is the normality of 10 ml of an acid that took 25 ml of 0.25 N NaOH to reach pH 7?
  50. Chemistry

    Explain how to make a 1 Normal solution H3PO4.
  51. chemistry

    What happen if potassium chlorate was not completely decomposed?
  52. chemistry

    What does slightly ionized material feel like?
  53. Chemistry

    The liquid contains 66.6c, 11.2% H and 22.2% 0. What is its molecular formula? How do i figure that?
  54. 11th grade

    how do you solve a dilution problem, this is chemistry
  55. Chemistry

    which has the highest lattice energy BaO or SrO
  56. Chemistry

    Does one calorie equal 4.184 Joules?
  57. Honors Chemistry

    How does heating or boiling a substance affect its pH?
  58. Advanced Chemistry

    What is the (name of the) molecular structure of AlCl3NH3 ?
  59. Redox chemistry

    what is the PE for a neutral solution saturated with oxygen????
  60. chemistry

    reagents used to convert thymol to menthol
  61. chemistry

    how many grams of H are needed to produce 1.80grams of H2O
  62. CHEMISTRY

    Is non-dairy creamer a colloidal dispersion
  63. Intro Chemistry

    What is the name of NH4CNO? is it ammonium something? Thank you
  64. Chemistry

    What is the hydroxide ion concentration in a solution with [H3O-] = 7.67 x 10^-9M
  65. chemistry

    how can the mixture of iron fillings and sulphur be separated?
  66. Chemistry

    what is the chemical formula for Petrolatum and Petroleum Distillates?
  67. Chemistry

    Cu(NH3)2^+ is a colourless compound. Will there be any absorbance at 600nm?
  68. Chemistry

    Write a balanced equation for each reaction Al + Cl2 -->
  69. ap chemistry

    can you help: "Explain why there are no geometric isomers of tetrahedral complexes. thank you
  70. Chemistry

    What are the major organic products of this reaction: CH3CH2CH2COCH2CH3
  71. chemistry

    how many joules are formed when 3 moles oh CH4(g) react?
  72. chemistry

    What is the net ionic equation for the reaction of H2SO3 with Ba(OH)2?
  73. chemistry

    what is the energy needed to melt 5.62 moes of ice in 0'C
  74. CHEMISTRY

    WHAT FACTORS ARE CONSIDERED TO BE STRESSES ON AN EQUILIBRIUM SYSTEM
  75. Chemistry

    What are the common molecular shapes around the carbons?
  76. chemistry

    What is the volume in liters of 15.0kg of CO2 at STP
  77. Chemistry

    How do I find how many moles are in 0.204 M potassium permanganate?
  78. Chemistry

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

    Why is there no reaction between Cr2(SO4)3 and Na2SO4?
  80. college

    organic chemistry 121-------------how to do dimensionalysis solving..
  81. Chemistry

    An alcohol will form an alkoxide ion when reacted with what?
  82. chemistry

    Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
  83. chemistry

    Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
  84. chemistry

    Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?
  85. chemistry

    what is the solubility of sodium nitrate at 44 degrees Celcius
  86. chemistry

    If 11.5 g of CCl_3F is enclosed in a 1.2L container, will any liquid be present?
  87. Chemistry

    Distinguish between efflorescent and hygroscopic substances.
  88. Chemistry

    Distinguish between efflorescent and hygroscopic substances.
  89. Chemistry

    what mass of 12% solution can be produced from 60 grams of sugar?
  90. chemistry

    What is the maximum number of electrons that can occupy the n=4 shell?
  91. gen chemistry

    does RbI form an ionic solid?
  92. Gen Chemistry

    What is the coordination number of the Fe atom in K3[Fe(C2O4)3]? is it 6?
  93. chemistry

    If 5.0g of Sodium Chloride in 250 mL of solution, what is the percent?
  94. chemistry

    What is the Lewis Dot Diagram For Castor Oil?
  95. chemistry

    What is the molar volume of H2 at 1.50 atm and -25 degrees celcius?
  96. chemistry

    What is the pH of the solution created by combining 12.00 mL of the 0.10 M NaOH with 8.00 mL of the 0.10 M HC2H3O2?
  97. chemistry

    how to make a 100 mL solutino of 1.50M of NaCl
  98. chemistry

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

    Why can you smell a cake baking in the kitchen when you are in your bedroom?
  100. chemistry

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