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Problem- Why is it important to have methods like Gabriel synthesis, reduction of nitriles, reduction of amides and reductive amination to make specific primary, secondary and tertiary amines. Why can't we simply use Sn2 reactions to make these compounds?
Draw the following peptides, AND indicating the amide bonds that are formed through the side chains. What are the pKa values of the various groups on the peptide?
If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
for a reaction with a rate law: rate = k[A]2[B], doubling the concerntration of A and tripling the concerntration of B will cause the rate to
The background section describes why you want the bleach to be far in excess of the dye. State how much greater the bleach should be to be considered in large excess. If the due is 1 x 10-5 M how much can the bleach be diluted before you no longer..
What are the products of the reaction of potassium hydride and water. KH(s) + H2O(l) ? A) K(s) + H2(g) + OH-(aq) B) K(s) + H2(g) + O2(g) C) KOH(s) + O2(g) D) K+(aq) + H2(g) + O2(g) E) K+(aq) + H2(g) + OH-(aq)
The equilibrium A B is first-order in both directions. Derive an expression for the concentration of A as a function of time when the initial molar concentrations of A and B are [A]0 and [B]0. What is the final composition of the system
Calculate the percent KBr in the mixture. Calculate the percent Mg(OH)2 in the mixture. Calculate the percent BaSO4 in the mixture
2 FeBr3(aq) + 3 Na2CO3(aq) Fe2(CO3)3(s) + 6 NaBr(aq) what is the net ionic eqation for this molecular equation.
Write the balanced net ionic equation for this reaction. How many H+ are there in the balanced equation?
A bu?er was prepared by mixing 1.0 mole of ammonia and 1.0 mole of ammonium chloride to form an aqueous solution with a total volume of 1.00 liter.
How much energy must be supplied to break a single 21 Ne nucleus into separated protons and neutrons if thenucleus has a mass of 20.98846 amu. What is the nuclear bindingenergy for 1 mol of 21 Ne.
What is the empirical formula of cyclopentane? If the molar mass of cyclopentane is 70.1 g/mol, what is its molecular formula?
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