Explain why the baseline is not 100% T for the KBr pellet and
the Nujol mull spectra of benzoic acid.
Explain why the baseline is not 100% T for the KBr pellet and the Nujol mull...
Explain why the baseline is not 100% T for the KBr pellet and the Nujol mull spectra of benzoic acid. Consider all components that could affect the transparency
A KBr pellet should be translucent. Explain why.
4. The solubility of KBr in water is T (C) 0 20 40 60 80 100 g KBr g H20 0.54 0.64 0.76 0.86 0.95 1.04 In a one molal solution, KBr depresses the freezing point of water by 3.29°C. Estimate the eutectic temperature for the KBr/H2O system graphically. (Answer: T~-13°C)
Why is the partition coefficient different for benzoic acid and sodium benzoate? Explain chemical reasons why the two values differ. Especially note the type of intermolecular forces that exist in the solute and the two solvents. Partition Coefficient of Benzoic Acid Benzoic acid in water layer and organic layer (dichloromethane) as organic layer. 3.1 Partition Coefficient of Sodium benzoate Benzoic acid in aqueous layer (water and sodium bicarbonate) and dichloromethane as organic layer. 0.12
Explain why benzoic acid is acidic. please explain using inductive and resonance effect as well.
503 50 Sp> arb) sps se 9. Explain why phenol is substantially more acidic than methanol, but benzoic acid is not much more acidic than acetic acid. Phenol is more acidic than methanol " Mars methanol benzolo OH
You would recrystallize benzoic acid using water as the solvent rather than methanol. Explain why.
5. The equilibrium constant (K) for the formation of methyl benzoate from methanol and benzoic acid at 25°C is 3.77. Use the equation for the equilibrium constant to calculate the theoretical yield of methyl benzoate for the following conditions. (6 marks) a) With equal initial amounts of the reactants (1 mole of each reactant) b) With a threefold (x 3) excess of methanol (1 mole of benzoic acid and 3 moles of methanol) 6. Suggest a chemical reaction (include structures...
In 3-4 sentences, explain why there exists a correlation between electrostatic potential and acid strength? Does your assigned acid follow this trend or does it appear to be an outlier? Explain. Our assigned acid is Benzoic Acid. The pKa is 4.2 (Ka was 6.5 x10^-5) and electrostatic potential was 279.3. Heres what the graph looked like PLEASE HELP
Identify which one of the seven unknowns is represented in the data given and why Lab 8: Instrumental Analysis You are given seven unknowns, all of which are white or brown powders. Use the provided IR and 1H NMR spectra to assign Unknowns 1-7 to the given compounds. Label all spectra and briefly explain how you made your determinations. NH ОН OR foncommon - 0 o-vanillin Benzoic acid p-toluidine 4-tert-butylphenol OH Y OH H2NY COH salicylic acid 9-fluorenol 4-aminobenzoic acid...