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Calculate the of a solution prepared by mixing equal volumes of 0.21 methylamine (CH3NH2, Kb = 3.7 x 10^-4 ) and 0.61 M CH3NH3Cl.
Propose a method to synthesize (2R,3R) 2,3-epoxyhexan-1-ol using ethanol,methanol,co and CN- as carbon sources
What is the value for k, the reaction constant, at 60 degrees if the Energy of activation = 75.5 kJ/mol?
Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions
Explain why p-nitrophenol is a stronger acid than phenol itself. P-methoxyphenol and acidity
determine whether or not it is chiral and specify the absoute configuration of any chiral carbons
Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound
Make a graph of density (y) vs. concetration in mass% (x). Record the slope of y-intercept of the line
Describe the procedure for preparation of 250 cublic cm of aqueous sulphamic acid of accurately known concentration.
Acid-base titration & analytical chemistry, A 0.213-g sample of uranyl(VI)nitrate, UO2(NO3)2, is dissolved in 20.0 mL of 1.0 M H2SO4 and shaken with Zn. The zinc reduces the uranyl ion, UO2 (with a charge of 2+)
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution
The refractive indices at 20o C of isobutyl bromideand isobutyl choloride are 1.4368 and 1.3785 respectively.Determine the molar composition (in percent) of the mixture byassuming a linear relationship
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