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Consider the halide ions as nucleophiles. Briefly explain why F-, the strongest base among the halide ions, is the best nucleophile in polar aprotic solvents while iodide the weakest base is the best in protic solvents.
Using the quantities 3 grams of salicylic acid and 6ml of acetic anhydride noted in the macro scale procedure and any other necessary data, calculate the theoretical yield in moles and grams of aspirin.
Calculate the molar enthalpy change ?H~rxn for the dissolution of KNO3 in water. Calculate in the error in ?H~
At sea level (1.00 atm), .500 moles of F2 gas will occupy 8.51 L of space at what temperature in C? What would the temperature of the system be at 650 mm Hg, a typical mountain top air pressure
how could the addition of a non-solvent species not participatingin equilibrium indirectly affect the position of that
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
What mass of Cu and of N (in grams) are contained in 250.7 g of sample that is 75.4% pure Cu(NO3)2 by mass. (Assume that the impurities do not contain Cu and N.)
A sample solution is to be analyzed for [Cu+2]. Three 5.0 mL aliquots are removed: to aliquot No.1 is added nothing; to No.2 is added 5?L of 100 ppm Cu+2, and to No.3 is added 10?L of 100 ppm Cu+2.
Acetaminophen was reacted with K2CO3 and iodoethane to yield phenacetin. Would a similar reaction take place if cyclohexanol, K2CO3, and iodoethane were mixed together. Explain.
at 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa/s when 10.0 % had reacted and 7.67 Pa when 20.0 % had reacted.Determine the order of reaction.
suppose a standard strong-base solution was prepared byweighing out 1.934g of naoh in 500ml of water. this solution
what product would you get when reacting phenol and chloroacetic acid in a basic solution, followed by acidification
1.00 mol/s of methane (CH4) is combined with 2.00 mol/s of oxygen (O2) and completely combusted isothermally to CO2 and H2O vapor at 500°C and 1 atm. How much heat (in kJ/s) is required for this process.
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