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Write a flow chart to show how you could separate a mixture ofthe following compounds by using acid-base extraction. all three compounds are crystalline solids and soluble in common organic solvents. 1. benzocaine (a local anesthetic) 2. triclosan (an anti-bacterial) 3. naphthalene (an insecticide found in moth balls and urinalcakes)
Draw all of the carbocation resonance structures that result when the tosylate ion leaves from 1-(tosylmethyl)cyclohexa-1,3-diene. Input the radical lone electrons.
The following questions concerning electrolysis of molten sodium hydride (NaH), the products are Na(?) and H2(g). Which of teh following statement(s) is (are) correct
If the temperature in the laboratory is 22.7oC and the atmospheric pressure is 0.966 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
a total of 2.00 rm mol of a compound is allowed to react in a foam coffee cup that contains 117 g of water. the
A particular first order reaction has a rate constant of 1.35 times 10^2 s^-1 at 25 degrees C. What is the magnitude of k at 95.0 degrees C if Ea=55.5kj/mol
A saturated solution of magnesium hydroxide (Mg(OH)2) in equilibrium with undissolved solid is prepared at 25°C. The pH of the solution is 11.03. Calculate the value of the Ksp.
Consider the effects of local environment on the acidity of the following amino acid residues within a protein. in each case, state whether the side chain pka of the underlined residue will increase, decrease, or remain the same. then briefly stat..
How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?
Calculate the five points indicated in the experiment introduction and show these values in a small table along with one sample calculation.
A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.
When the following reaction is balanced in acid solution using the lowest possible whole number coefficients, the coefficient of H+ will be: S8 + NO3- --> S4O62-+ NO2
Why do you put sodium carbonate in sulfanilic acid. What form is the sulfanilic acid? Why do you put HCl in ice?
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