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1. Why does phenacetin or acetanilide not dissolve in diluteHCL?
2. Explain clearly why the solution of phenetidine or aniline inaqueous HCL will not react with acetic anhydride unless the sodiumacetate is added.
3. Explain why the acetylation requires one moleof aceticanhydride per mole of phenetidine, despite the fact that aceticanhydride contains two acetyl groups. How is the by-productcontaining the second acetyl group removed from phenacetin?
For a radioactive decay (decomposition of a radioactive substance) the half-life is 6.0 h. How much radioactive substance remains after 22 h, in % (radioactive decay is a first-order process)
mtbe is a fuel addictive for gasoline to boost the octanerating. it increases the oxygen content which reduces co
even with a drying tube leaving phenylmagnesium bromide exposed to air will eventually lead to its decomposition. why?
a large plane wall has a thicness 2 m thermak conductivity 1.2 wm.c and surface area 15 m. the to side of the wall are
How many milliliters of 3.4 M NH4Cl must be added to 250 mL of 0.23 M NH3 to obtain a buffer solution having pH=9.40
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
What is the molality of chromium(III) chloride in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate (CrCl3· 6H2O) in 250.0 g of water.
Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
Consider the titration of 30.0 ml of 0.048 M NH3 with 0.025 M HCI. Calculate the ph after the following volumes of titrant have been added.
Suppose 50.0 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. Calculate the concentration, in moles per liter, of each of the ions present after mixing. Assume that the volumes are additive.
How could you determine (without tasting) whether a container of a colorless liquid contained ethanol or ethanol and sucrose
A solution contains 0.37 M Ni(NO3)2 and 0.37 M Cu(NO3)2. Can the metal ions be separated by slowly adding Na2CO3? Assume that for successful separation 99% of the metal ion must be precipitated before the other metal ion begins to precipitate, and..
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