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Write the mechanistic equations for each step in the preparation ofp-bromoaniline from aniline showing how all intermediates areformed. Explain why does bromination of acetanilide stop at the monobromostage?
Depict the correct stereochemical structures of these two compounds of the fumarase-catalyzed reaction. Be sure to comprise all hydrogen atoms as well as show the carboxylates as anions.
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. Kf = 1.86°C/m
Find the temperature capable of expanding 2.500 liters of chlorine at 18.00°C and 0.9000 atm to 5.200 liters. No change in pressure took place.
The concentration of a chemical degrades in water according to first-order kinetics.The degradation constant 0.2 day^-1.If the initil concentration is 100.0 mg.L^-1.how many days are required for the concentration to reach 0.14 mg.L^-1
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm what is surface
Calculate the pH during the titration of 20.00 mL of 0.1000 M hydrazine N2H4(aq), with 0.1000 M HCl after 20.25 mL of the acid have been added. Kb of hydrazine = 1.7 x 10-6
Consider the brilliant blue spectrum (blue 1) shown here. What is the wavelength of maxmal absorbance in nm? (Do not include units in your answer: number only)
Suppose 50.0 mL of HCl of unknown concentration is titrated to neutrality with 90.0 mL of 6.50 M NaOH Compute molarity of HCl
The excess EDTA was then back-titrated, requiring 5.00 mL of 0.050 0 M Zn2. What was the concentration of Ni2 in the original solution?
a solution of ammonia and water contains 3.30times1025water molecules and 6.90times1024 ammonia molecules.how many
a 0.50 sample of vegetable oil is placed in a calorimeter. when the sample is burned 18.9 are given off. what is the
a metal sulfide, M2(CO3)3, has a Ksp of 4.15 x 10^-42. What is the molar solubility of this sulfide in water? Assume the sulfide dissolves ideally (ignore hydrolysis effects).
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