Chemistry

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  1. Clemmensen Redn of conjugated ketones

  2. How do I get the electron density of hydrogen cation, H+ in G09?
  3. Is it correct to term boron trifluoride a "catalyst" in electrophilic aromatic substitution?
  4. Is hydronium an electrophile, nucleophile, both or neither?
  5. Does mass equal to moles times molar mass take into account coefficients?

  6. What is a benzene ring minus a hydrogen atom called?

  7. DFT calculation of solids with different periods

  8. Do amides oxidize to double-bonds?

  9. Can a molecular sieve be used increase the saturation of a fructose solution?

  10. Range of pH of a solute in water
  11. NMR spectrum of 3-hexylthiophene: why is the methyl group not a triplet?

  12. How to write the rates for a bimolecular collisional dissociation?

  13. Is it possible to melt HDPE to a point where it has similar viscosity to engine oil?
  14. what does a lab result of 14442 ppm of mineral spirit in solid sample mean?

  15. Why does iron(III) form the trithiocyanate complex instead of the triisothiocyanate one?

  16. Electrophilic Substitution
  17. How to convert g/L to % w/w?

  18. Calculate the $\ce {pH}$ at the equivalence point in the titration

  19. The chemical reaction between lemon juice and polystyrene foam cups
  20. The order of aromaticity of benzene, thiophene, pyrrole, furan, and pyridine
  21. Why do nitrogen molecules not act as ligands in haemoglobin?

  22. What branches of chemistry to learn?

  23. Does the pH of Water affect how Acidic or Basic it is?

  24. Equal H+ ion concentration in a solution of HCl and water

  25. What is it called when a benzene ring loses a hydrogen atom?

  26. Heating p-Bromobenzenesulfonic acid in the presence of dilute HCl

  27. Acid Catalysed Ring Expansion - Mechanism?
  28. Ring expansion of two fused rings to a larger ring
  29. Lead test for water that is going to be ingested

  30. LookBelowflr question about math

  31. Micheal addition Conditions

  32. Dropping Borosilicate glass mug

  33. How do I calculate the degree of dissociation in equilibrium?

  34. Is identifying a chemical equivalent to be able to produce it?

  35. What is the opposite of a surfactant?

  36. Is 1,2- Hydride shift possible in ketonic cations?

  37. How many grams of ammonium oxalate are needed to react with the lead (IV) ions contained in a finite formula units of lead (IV) phosphate?

  38. What is actually classified as an indicator?
  39. Exposing Pristine graphene sheet to pure oxygen
  40. How does the HCl-KCl Buffer work?
  41. How many products are possible when chlorination of cyclohexane takes place?

  42. What is the reason behind the phenomenon of Joule-Thomson effect?

  43. Why does a mixture of nitrous acid with concentrated nitric acid cause nitration of benzene instead of nitrosation?

  44. How does pH change during the electrolysis of water?

  45. Why is nitrous acid prepared in situ?

  46. What are the products of the reaction between methanamine and nitrous acid?
  47. Finding adsorption surface area

  48. Why is electron gain generally exothermic?
  49. Enthalpy of neutralisation for weak acids and weak bases at standard state

  50. QM modelling of charge separation reactions

  51. What are "tensides"?

  52. Why are atoms, ions, and molecules always considered to have a spherical shape?

  53. Does CHT=CHT have a geometric isomerism because of tritium atoms?

  54. Why does Potassium, Rubidium, Cesium all have lower standard potentials than Sodium?
  55. Amagat curve deviation
  56. Is the index 1 in the substituent name "1-methylethyl" a redundant index?

  57. Does S use its p-orbitals for bonding?

  58. Electrophilic Aromatic Substitution: Are protonated OH-groups ortho-/para- or meta-directing?
  59. Hyperconjugation in ethane conformers

  60. How to convert micromolar concentrations into molar quantities, when the volume is also known

  61. What is the function of acetic acid as a solvent in EAS reactions?
  62. Normal Mode Analysis in Amber
  63. Comparing the basicity of aniline and ortho anisidine

  64. Predicting Ka/Kb values using values for solubility in water

  65. Rate of electrophilic bromination of toluene and ethylbenzene
  66. Enthalpy of Neutralisation Mass
  67. What acid did I accidentally create, and how?
  68. Why is potassium cation harder than copper?

  69. Proton exchange membrane fuel cell parts?
  70. How to obtain pure water?

  71. How can I prevent zinc from getting oxidised during the melting process?

  72. Numerical on change in degree of dissociation wrt pressure

  73. Is there a way to determine if a compound is oxygen or water sensitive?

  74. Assignment of the 13C NMR spectrum of 1-(ferrocenyl)ethanol

  75. Hot Water Turns Pink
  76. Calculating Kp in two different ways

  77. Reactivity of Benzaldehyde between aldehydes

  78. Canonical partition function of indistinguishable non interacting particles

  79. First point of difference rule 1,6-dimethylcyclohex-1-ene

  80. Recording data from a rotary evaporator without OEM software

  81. Energy Profile Diagram for conformation of Ethylene Glycol
  82. Oxymercuration-Demercuration
  83. Is zinc sulfate basic? Why?
  84. Physiochemical analysis

  85. Why are non-polar compounds solvents in lipids?

  86. What is "time-dependent evolution of the complex noncovalent interaction networks" and why this is important?

  87. Wavenumbers of cyclic ketones

  88. Why does chemisorption increase with rise in temperature, even though it is an exothermic process?

  89. How does initial rate of reaction imply rate of reaction at any time?

  90. What is it meant by two different groups in stereoisomerism?
  91. What is the function of nitrobenzene as a solvent in Friedel Crafts alkylation reaction?

  92. Why do objects gain electrons?

  93. Does the salinity in seawater affect the process of alkaline hydrolysis?

  94. Why isn't neptunium used in nuclear reactors in nuclear power plants?
  95. What is the purpose of a boiling stick when heating a reaction mixture?

  96. How many electrons will it donate?

  97. Identifying molecules
  98. How to verify a supposed stoichiometry based on measured weight percentages?

  99. Differences between KOH and phosphorus pentoxide as drying agents?

  100. Will ferric nitrate or nitric acid dissolve polylactic acid?