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Depict the mechanism with all resonance structures for 2,4-dinitrobromobenzene plus KSCN. Tetrabutylammonium bromide is phase-transfer catalyst.
Reductive amination can be used to form primary, secondary, and tertiary amines. Secondary amines are more basic than primary amines due to extra electron donation by the alkyl groups.
Why are the bond angles of methane, ammonia, and water different for each even though the electron domain geometry is the same for each
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the C^14 has decayed to 1/16.0 of the original amount. How long ago was this plant alive. Express your answer numerically in years.
Assume that .20 mol of the acid is added to 250 mL of water. To make a buffer of pH = 4, how many moles of the conjugate base must be added to the solution?
A compound of chromium and oxygen contains 18.9 g of the nonmetal and 41.1 g of the metal. How many grams of chromium are in 1.22 kg of the compound
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.23 V
Explain the MOLECULAR difference between an electrolyte solution and a non-electrolyte solution
Cautiously add 1.3 mL of concentrated sulfuric acid. Reflux for an hour. Transfer top layer to vial. Add 1.5 mL of 80 percent sulfuric acid to vial. What would the expected outcome be if a student forgot to add sulfuric acid to the reaction mixtur..
at a temperature t a previously empty 5.00l flask is prepared by adding 1.20 mol so2 and 1.5 mol of o2. determine the
If 1.28 g of NaOCl is required for an experiment, but only NaOCl*5H2O is available in the lab, how many grams of the hydrate should be used?
An aqueous solution is 30.0 % by mass ammonia, NH3, and has a density of 0.892 g/mL.The mole fraction of ammonia in the solution is?
The nuclide Pb-210 undergoes three successive decays (beta, alpha, and beta, respectively) to form a stable nuclide. What are the three nuclides which form from Pb-210 in this decay series
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