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Consider the the list below for the formation of esters of acetic acid using different alcohols. What does it tell you about the relative ease of preparation of esters from different types of alcohols?
R'OH =Kmethanol = 5.24n-propanol = 4.072-propanol = 2.35t-butanol = 0.0049
a) esters from primary alcohols are easier to prepare than esters from tertiary alcohols
b) esters from primary alcohols are easier to prepare than esters from secondary alcohols
c) esters from tertiary alcohols are very difficult to prepare
d) all of the above
A buffer solution contains 0.20M CH3CO2H and 0.34M NaCH3CO2. If 8.00 ml of 1.00 M HCl is added to 100.00 mL of this buffer solution. In what direction and by how much will the pH change?
Here is it, Bromine is less electronegative than chlorine, yet methyl bromide and methyl chloride have very similar dipole moments. Why
The student rinses the sample into a small beaker using distilled water, and then titrates the solution with a 0.500 M HCl solution. 12.00 mL of the HCl solution is needed to reach the endpoint of the titration. Calculate the value of Ksp for borax..
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
calculated was contained in 23.80 mL of KMnO4 solution. calculate the molarity of the KMnO4 solution.
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.75 M B(aq) with 0.75 M HCl(aq).
What is ?, the electromotive efficiency to three significant figures?? Open the hint panel below for the definition of electromotive efficiency. (d) What is the pH of an unknown that gives a reading of 19.6 mV with this electrode at 30°C?
the dichloromethane layer is now 31 mg of benzoic acid. What is the partition Coefficient (Kp) of benzoic acid in dichloromethane/water?
Dry air at 1.0 atm is passed over a high voltage electric discharge (~15,000v) to convert 0.85% O2 to O3. The ozonized air is then euilibrated withwater at 25 degrees celcius in a vessel which contains
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
Determine the energies of ten lowest energy levels for this system.
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