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Question- Why is the 1,4 isomer, 1,4-di-t-butyl-2,5-dimethoxybenzene, the major product in the alkylation of dimethoxybenzene? Would you expect the either of the following compounds to be formed as side products: 1,3-di-t-butyl-2,5-dimethoxybezene or 1,4-dimethoxy-2,3-di-t-butylbenzene? Why or why not?
Using textbook reference solve the reactions given in above problem
What volume of 5.00 M solution (in mL) of calcium nitrate is needed to prepare 500.0 mL of a 0.250 M solution of calcium nitrate
Consider the formation of n-butyl alcohol and NaBr in the presence of H2SO4. If you start with 1.31g of n-butyl alcohol and end up with 1.79g of n-butyl bromide
Calculate the pH of the following solution: A solution prepared by mixing 10.00 mL of 0.500 M acetic acid with 0.353 g of sodium acetate (NaCH3CO2) and diluting to 250.00 mL without using the Henderson-Hasselbalch equation.
total ion concentration what conductivity should be observed for 0.050 M Na2SO4?
If the electrochemical cell is allowed to operate as a gavanic cell, which solution species will be oxidized, which solution species will reduce. write the sybolic representation for the galvanic cell.
Which compound is the limiting reagent for this reaction. Calculate the change in enthalpy (delta H rxn) per mole of limiting reagent for this reaction.
A mixture of gases contains 3.41 g of NO2, 7.62 g of BF3, and 6.50 g of NO. If the total pressure of the mixture is 5.12 atm, what is the partial pressure of each component?
A 0.2678g sample of an unknown acid requires 27.21mL of 0.1164 M NaOH for neutralization to a phenolphthalein endpoint. There are 0.35mL of 0.1012 M HCl used for back-titration. What is the molar mass of the unknown acid
What is the cell potential when the concentration of Cu2+ has fallen to 0.250M? 2. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.370V?
what is the purpose of placing a lead apron on a person who is receiving routine dental X-rays? d)why are the walls in a radiation lab built of thick concrete blocks
Question- A solution is 0.001 M in Cr2O7 2- and 0.01 M in Cr3+. If the pH is 2.0, the potential of the half reaction will have this value: (ECr2O7/Cr3+ = 1.36 V)
Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+
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