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Considering the likely HOMO and LUMO of L-serine methyl ester, what would be the most electrophilic atom and what would be the most nucleophilic atom?
How many chemicaly different hydrogens are in: 4'-Aminoacetophenone; 3'-aminoacetophenone; benzoic acid; 3-toluic acid;1,4-dimethoxybenzene; and fluorenone? alson how would you do a predicted chemical shift and splitting pattern for those
What are the similarities and differences between a classical harmonic oscillator and a quantum harmonic oscillator?
At constant pressure and 25 degrees celcius a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?
An aqueous solution of sodium hydroxide is labeled .010 M NaOH. What are the molar concentrations of NaOH, Na+ and OH- in the aqueous solution?
How many moles of NaOH would be required to completely neutralize 37.22 mL of 0.25M HCl?
2 K + Cl2 ---> 2 KCl How many grams of KCl is produced from 2.50 g of K and excess Cl2. From 1.00 g of Cl2 and excess K?
A saturated aqueous solution of lead(II) iodate, Pb(IO3)2, contains 3.1 x 10-5 M Pb+2 at 25°C. Assuming an ideal solution, and assuming no reaction of the ions with water, calculate the Ksp of lead(II) iodate at that temperature.
What is the percentage yield if 465 grams of hydrogen reacted with excess nitrogen and 455 grams of ammonia is formed N2 (g) + 3 H2 (g) 2NH3(g)
Given that the density of solid sodium is 0.968 g/cm^3, estimate the atomic (metallic) radius of a Na atom. Assess the value obtained, indicating why the result is only an estimate and whether the actual radius should be larger or smaller than the..
A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS
with wet beriberi, peripheral vessels dilate and cardiac muscle looses its contractility. also, alpha-ketoglutarate is found in high concentrations. this is thought to be caused by
Explain why higher levels of defects are found in solids at high temperatures and close to their melting points.
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