acid-base

  1. Do Sulfuric Acid and Calcium Hydroxide Completely Neutralize One Another?

  2. When sodium hypochlorite is formed from chlorine and sodium hydroxide and made into a bleach, how does it release the hypochlorite ion?

  3. How to determine the amount of NaHCO3 buffer to neutralize an HCL solution of pH 3.5?
  4. Which molecule is more acidic: CHF3 or CHBr3?
  5. Calculating the pH of a ammonium hydrogen sulfate solution
  6. Neutralization of alkali solution by a mix of strong acids
  7. How does aqua regia dissolve gold?
  8. Using HCl to dissolve Iron ore powders.. Did I stop too early after the solution started 'spittiing'....?

  9. Determine the Ka value of ethanoic acid

  10. I tried to dissolve Iron ore into HCl. Some powders stuck on the bottom of the beaker. How do I remove?

  11. Calculating pH of a solution

  12. Blue litmus turning pink

  13. Why is a buffer solution best when pH = pKa i.e. when A-/HA=1

  14. Methyl orange turns red in the solution formed when substance R reacts with water. What is R?
  15. Why does gaseous HCl not change dry blue litmus paper to red?
  16. What does it mean to say that a strong base is only slightly soluble?

  17. Do enolates get protonated at the carbon or oxygen atom?
  18. By how many pKa units will the pKa value of a ketone be minimized by addition of a Lewis acid
  19. Can pH of a His buffer change during lyophilization?
  20. How to make 0.3% ammonia water from 28-30% ammonia hydroxide

  21. How to calculate the pH of a buffer after adding HCl?
  22. Deprotection (debenzoylation) of glucose (sacharide) using NaOMe leads to hydrolysis glucose
  23. Can hydroxides ionize alcohols?
  24. Calcium carbonate and hydrochloric acid
  25. Lewis Acid / Base reaction for SO2 and H2O
  26. Why doesn't a buffer solution change ph(Appreciably?)
  27. Reaction of aluminum hydroxide and nitric acid
  28. Weak acid dilution

  29. Acid-base titration: Calculate pKa with only three values given
  30. Stripping zinc electroplating with phosphoric acid - hydrogen danger?
  31. Why is the pKa of cysteine lower than serine?
  32. Why is phenol more acidic than aniline?

  33. What is the maximum molarity of aqueous HCl?
  34. How can I make an acidic pen to burn paper on writing on it?

  35. Calculation for buffer of pH 5 in sodium fluoride solution
  36. What is the reason that tertiary alcohol pKa is higher than primary alcohol pKa?
  37. How to calculate the pH of the neutralisation of HCN with excess of KOH?

  38. What is an 'acidic' oxide?

  39. Reaction between silver(I) hydroxide and an alkali

  40. Why does [H3O+] of a buffer change very slightly when diluted?

  41. What happens when C17H35COO-, a soap, reacts with an acidic solution?

  42. What is the necessary volume of concentrated HCl to prepare a solution with a pH of 1.8?

  43. Metal complex formation constants for different protonation states of EDTA
  44. Reaction between NaOH and CO2
  45. In the graph provided, which of the substances is the most efficient in acting as an antacid?

  46. Why formulate drugs as HCl salts when HCl is in stomach acid?

  47. Why is acetylsalicylic acid still more acid than benzoic acid?

  48. Is ciprofloxacin acidic or basic?

  49. Acid for removing rust that doesn't react with iron?

  50. What are better acids for removing rust from an iron nail than phosphoric, or oxalic acid?
  51. Basicity of heterocyclic compounds

  52. Why is ammonium a weak acid if ammonia is a weak base?

  53. Are all ionic compounds salts?

  54. Why do the amino groups in EDTA deprotonate first, in contrast to amino acids?
  55. How do I calculate the pH of this buffered solution?
  56. What are the molar and mass concentrations of 18% HCl?

  57. Why does alcoholic KOH prefer elimination whereas aqueous KOH prefers substitution?
  58. Difference between Sildenafil and Sildenafil citrate
  59. Does the acid strength of hydrochloric and hydrofluoric acid correlate with the electronegativity of the halides?
  60. Are there any guidelines for what constitutes an “organic acid” regarding storage requirements?

  61. Pka and buffers

  62. Reuse 20 litre plastic drums for drinking water?

  63. Why is only one part of buffer in the reactants side?
  64. In antacids like Eno that fizz up when added them in water, why is the citric acid important?

  65. Can I make Ferric Chloride with Vinegar, H202, Table Salt, Water and a Nail?
  66. Calculate the pH of acetic acid for a 0.02 M solution

  67. Why concentrated sulfuric acid for dehydration and dilute for hydration?

  68. Weak acid and weak base salt hydrolysis
  69. Why does hydrochloric acid not damage the human stomach?
  70. What is the relationship between the two definitions of the difference between basicity and nucleophilicity?

  71. Can aniline autodeprotonate?

  72. Explaining why CN- is a soft base

  73. Buffer solution
  74. How do we know that a matter is acidic or basic without knowing their $pH$ value?

  75. Is an acid (just) a proton donor and if not, what is the correct definition of an acid?

  76. What is more acidic: D3O+ in D2O or H3O+ in H2O and why?

  77. Why are indicators used only in the form of dilute solutions?
  78. Acid Accident Treatment

  79. What primary standard acid can be used to standardise NaOH solutions by titration?

  80. Why do acid base reactions cause the reacting or forming molecules to accelerate? (Basically, why do acid base reactions produce heat?)

  81. Formulation solubility?
  82. Electron donating ability of substituted amines on aromatic ring

  83. Why isn't it commercially suitable to dissolve sulfur trioxide in water to produce sulfuric acid?
  84. Is the recipe for my shaving cream complete nonsense?

  85. So, is baking soda actually a strong base?

  86. Pulling Calcium Phosphate from Animal Bones
  87. What's the best way to interconvert between molarity and percentage?

  88. Why is p-toluidine more basic than m-toluidine?

  89. Does the slippery feeling of bases always appear at certain pH?

  90. Isolation of salt from solution
  91. Weak buffers and accuracy when mixing acid and base
  92. Why does baking soda and vinegar remove stains?

  93. Decreasing order of basic strength

  94. Concentration of Carbon dioxide in Blood

  95. Cationic Detergent with no odor

  96. Comparison of acidity between angelic and tiglic acid
  97. Which base accepts the proton abstracted from water in propyne hydration?
  98. The function of sulfuric acid in a reaction involving halide ions
  99. How to calculate partition coefficients?
  100. Why does hydrogen bonding in salicylic acid make it more acidic?