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Many important drugs contain the amine functional group, which makes them basic. Many drugs also contain an amide group, which is effectively neutral. Suggest a way to separate ephedrine, a stimulant and decongestant drug shown below, from phenacetinGive your answer in the form of a flow chart in which a hypothetical mixture of phenacetin and ephedrine are separated by extraction. suggest an organic solvent that would be appropriate to the separation. Show any relevant chemical reactions and structures at each point in your chart. Consider in your answer that both compounds contain nitrogen atoms. Explain how they will nonetheless differ in reactivity and solubility
A star is estimated to have a mass of 1 1036 kg. Assuming it to be a sphere of average radius 7.0 105 km, calculate the average density of the star in units of grams per cubic centimeter.
The initial mass of a radioisotope is 10.0g. If the radioisotope has a half-life of 2.75 years, how much remains after four half-lives?
Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
What is the rate of reaction of O2? What is the rate of formation of N2O5?
How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
A certain compound is made up of three chlorine atoms, one phosphorus atom, and one oxygen atom.
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
Predict whether, to any significant extent, MnO-4(aq) will oxidize Cl-(aq) to Cl2(aq) in acidic solution, The reaction is spontaneous under standard conditions
Write the net ionic equations for & the reactions occurring for each cation in the group.
Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor
What is the activation energy for a reaction if its rate constant is found to triple when the temperature is raised
describe the mechanism for the reaction of bromine to Ethene and state the type
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