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Regard as the mechanistic step in the conversion of 1-butanol to 1-bromobutane in which bromide ion displaces water from the oxonium ion What evidence, if any, is there that this step involves backside attack by the nucleophile?
What pH would you make the water layer in order to cause the acid to dissolve in the ether layer and the amine to dissolve in the water layer? d. How would you purify a mixture of benzoic acid, chlorobenzene, and cyclohexylamine?
How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?
Calculate Ecell for a galvanic cell constructed from a beaker of 0.0025M HCl with a standard hydrogen electrode at 1atm of pressure
what are the technique that we encounter in the experiment of preparation of standard solutions and standardization of
The isomerization of methyl isocyanide, CH3NC CH3CN, follows first-order kinetics. The half-lives were found to be 161 min at 199°C and 12.5 min at 230°C. Calculate the activation energy for this reaction.
A red blood cell in a hypertonic solution will shrink in volume as it undergoes crenation. In a hypotonic solution, a red blood cell will swell and possibly burst as it undergoes hemolysis.
A 5.000g sample of pesticide was decomposed with metallic sodium in alcohol, and the liberated chloride ion was precipitated as AgCl. Express the results of this analysis in terms of percent of DDT (C14H9Cl5) based on the recovery of 0.1606g of Ag..
how many metric tons of oxygetn are combined in a sample of pitchblende that contains 2.3 t of
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
Assume that you have 1.36 mol of H2 and 3.48 mol of N2. How many grams of ammonia. (NH3) can you make, and how many grams of which reactant will be left over
While a suspected drunk driver blows 190 of his breath through the fuel-cell breathalyzer, the breathalyzer makes an average of 326 of current for 10
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