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Write the mechanism showing electron flow with arrows, for the acid-catalyzed hydrolysis of methyl benzoate
Outline the steps necessary to properly prepare 100ml of TE buffer. Include the amounts of Tris-base and EDTA, and all steps necessary to adjust the pH, including when you add what bolumes of water.
The atomic mass of element X is 33.42 amu. A 15.05-g sample of X combines with 79.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
If you titrate a second 100.0mL portion of the Ag/Cu solution and add Cl- to precipitate out Ag+ leaving only Cu2+ in the solution, it requires 35.00mL of the same EDTA titrant to reach the endpoint. Calculate of both Ag and Cu in the original sol..
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
Calculate the reaction's rate constant (k) at this temperature. Calculate the reaction's half-life (t1/2) at this temperature
Potassium iodide is added to common table salt, sodium chloride, to help prevent the enlargement of the thyroid gland, a condition known as goiter.
Some of Milikan's oil-drop data are shown in the table. the measured quantities were not actual charges on oil drops but were proportional to these charges.
A balloon is inflated with 0.2494 g of helium to a pressure of 1.26 atm. If the desired volume of the balloon is 1.250 L what must the temperature be in degree celcious
Calculate the wavelength at which they are broadcasting.
What will happen to the retention time if the flow rate is increased What will happen to the retention time if the temperature of the column is increased
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
What is the total volume of gases produced at 819K and 1atm pressure when 256 g of ammonium nitrate (NH4NO2) undergoes the following decomposition?
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