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In the alkylation of cyclopentanone, better yields are obtained by first reacting cyclopentanone with an equivalent of lithium diisopropylamde in THF and then adding the alkyl halide ratehr than mixing cyclopentanone, alkyl halide and a catalytic amount of sodium ethoxide in ethanol. exaplin this obeservation by pointing out what the problems with the second reaction conditions might be and how the first set of reaction conditions help allevite the problems.
In writing the chemical formula of a compound such as Al2O3, the following statement is a true relationship between the Al and O atoms
Nitrating Acetanilide- draw the resonance forms for the arenium ion formed during your reaction (nitroacetanilide)
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
What is their role in this reaction. In the case of this particular example that you watched, where would each of these ions have come from
ch4202co22h20 h.889.1kjhfh20-285.8kj hfco2-393.5kjwhat is the standard heat of formation of methane ch4 as calculated
Calculate the pH after 0.10 mol of HCl has been added to the original solution. Assume no volume change on addition of HCl
Based on your observations, what might have happened if you had not followed these instructions? Might this also have affected your percent yield? Explain.
With Niemann-Pick Disease, discuss how lipid metabolism is affected, particularly which enzyme(s), and how the body is affected
When a sample of Vanillin weighing 2.500g burns in Oxygen, 5.79g of carbon dioxide and 1.18g of water is obtained. What is the empirical formula of Vanillin?
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
Write the defining expression for the conditional solubility product constant, Ksp'. Than For the Ca2+ and F- ions, write the mathematical relations defining activity of each ion in terms of its concentration and activity coefficient.
Assume that the specific heat of the substance at P=25 bar is temperature independent and equal to c_p=4.20 kJ/kg*K. Sketch the P-v and T-s diagrams of the cycle.
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