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(1) Show the step by step reaction mechanism for the SnAr2 reaction of 2,4-dinitrochlorobenzene and an amine.
(2) Explain why the nitro groups are important.
(3) The pKb of morpholine is 5.6. The pKb of piperidine is 2.9. Which would you expect to have the higher rate constant for Nucleophilic substitution? Why?
given the balanced equation representing a reacction2c2h67o24co26h2odetermine the total number of moles of oxygen that
To the same RNA solution, we added an equimolar amount of an RNA binding protein that binds to that RNA specifically. The protein has a molecular weight of 100,000 and contains 10 Trp and 10 Tyrosine residues
a tank contains a mixture of 2 mol Cl2, 5 mol O2, and 3 mol CO2 at 0 C and under a total pressure of 1 atm. calculate the partial pressures of each gas in the mixture
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
Limeway Company issues $5,000,000, 6%, 5-year bonds dated January 1, 2007 on January 1, 2007. The bonds pay interest semiannually on June 30 and December 31. The bonds are issued to yield 5%. What are the proceeds from the bond issue?
How many metric tons (t) of oxygen are combined in a sample of pitchblende that contains 2.5 t of uranium? Analysis shows that 84.2 g of pitchblende contains
A 2.52- sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess to yield 4.36 of and 0.892 of as the only carbon and hydrogen containing products respectively.
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 15.0 fluid ounce drink from 71°F to 32°F, if the heat capacity of the drink is 4.18 J/g·°C?
How does boiling point relate to freezing in this scenario. would the same one with the higher bioling point also have a lower freezing point. why
What is the total molar concentration of all the ions in 0.020 M solutions of the following salts in water. 0.020 M KCl = ____ M ions 0.020 M CuSO4 = ____ M ions 0.020 M CaCl2 = ____ M ions
Compute the unsaturation number (aka index of hydrogen deficiency) associated with C4H3NO2S. Interpret your results. If there are no triple bonds in this compound, can you suggest a reasonable structure for the compound
What are the proper names for each of the pieces of glassware commonly used in distillation. In distillation, how is a column different than a condenser? How is a fractionating column different than a plain column
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