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As an SN2 solvent for reactions like the alkylation of acetaminophen, water would be a poor selection. Explain water is more polar than 2-butanone or DMSO. Explain why are polar, aprotic solvents better than polar, protic solvents like water for SN2 reactions?
photochromic sunglasses which darken when exposed to light contain a small amount of colorless agcl embedded in the
If atoms of element Z have a mass of 0.815 , what is the identity of Z?
A titration was performed at 25 degrees C and the Ksp of a slighlty soluble salt was determined to be 1.5×10-4. Calculate the standard Gibbs Free Energy of this salt. R = 8.314 J/mol-K
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
Explain why lattice energy calculations based on the born mayer equation reproduce the experimentally determined values to within 1 percent for LiCl but only 10 percent for AgCl given that both compounds have the rock salt structure
when 24.0 g of glucose a nonelectrolyte are dissolved in 500. gof water the solution has a freezing point of
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
When 0.100 g of graphite is burned completely in a bomb calorimeter (heat capacity = 3.344 kJ/C), containing 3000 g of water, a temperature rise of 0.21C is observed. What is deltaE for the combustion of graphite. The specific heat of liquid wa..
Orange juice is an aqueous solution that derives much of it's acidity from citric acid. There are variations in the acidity of each brand depending on many factors
What is the percent dissociation of HNO2 when 0.060g of sodium nitrate is added to 105.0 mL of 0.060 M HNO2 solution? Ka for HNO2 is 4.0 x 10^-4
What is the maximum concentration (in M) of chloride ions in the solution that contains 0100 M Pb2 +? The Ksp for lead (II) chloride is 1.0 x 10-4.
what will be the % yield after one crystallization step using the minimum amount of solvent A that is required for the crystallization step?
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