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  1. What are each steps of the reaction? I am having a really hard time with this!
  2. Cell Reactions
  3. Lead!!
  4. Milk of sulphur ???
  5. need help
  6. i want help in electorn distribution
  7. Organic chemsitry Lab: Separation and Extraction
  8. Resonance structures
  9. Help with Finding the atomic mass of an unknown metal
  10. Partial Pressures question
  11. Must read before posting a problem : please show your attempt!
  12. Lengthy Question
  13. About oxidation number of halogens
  14. Robinson Ring Annulation
  15. Isoelectric point
  16. structure of atoms help please
  17. Molecular orbitals
  18. Need help with enthalpy change
  19. Need help with working out equilibrium constant
  20. Test Retake Help (chem 2)
  21. Heat of Formation Problem
  22. Orgo: Prepare compound B from A
  23. Hess' Law and Heat of Formation of MgSo4
  24. Hybrdization of atoms that do not follow octet rule
  25. Predicting lattice energies of ionic compounds with oxyanions...?
  26. Lewis structure for Nitrogen Dioxide
  27. Equilibrium Question
  28. Platinum Catalyst
  29. Organic Mess
  30. Titration pH questions
  31. Question about Equilibrium, Ka, Kw and pH
  32. concentration and molarity problems
  33. Equation from 2 solutions
  34. Heat absorbed per mole and other math problems
  35. please help solve this. no one else in the class could. neither could teachers
  36. Solubility equilibria with nonpolar
  37. Acids and Bases
  38. bomb calorimetry
  39. Answer Verification
  40. Unit cell packing efficiency and density
  41. Al corrosion
  42. Na or Na+ (stability) help!
  43. What chemical could make photographic film more flexible?
  44. Microwave spectroscopy
  45. Basis sets in Computational Chem
  46. Vibrational spec. General Q.
  47. Isotopic substitution ( change in mass)
  48. Calculation relating solubility product & acid constant
  49. Redox Titrations
  50. Finding mass from concentration
  51. Help with moles
  52. Electrochemistry Question
  53. Couple of questions I need some help with
  54. emperical formulae
  55. freezing point
  56. Equilibrium Constant question
  57. Preparing Solutions and Dilutions
  58. Oxidation / Weight Question
  59. Heat and Thermal Diffusivity of a Battery
  60. NiMH Battery Question
  61. Moles expected from two reactants?
  62. 25cm3 of 0.15 mol dm3 sodium hydroxide reacts with 20cm3 of nitric acid
  63. Enthalpy/Entropy Question
  64. Homework help
  65. Colloid Science
  66. question about Kc
  67. please help me with my chemistry problem
  68. Question about Synthesis balancing? Can someone please help me?
  69. PET depolymerization
  70. Equilibria and Mass Balance
  71. Rate laws vs. Reaction rate