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In nucleophilic substitution reactions, what is the effect does using 1 degree, 2 degree, and 3 degree substrates have?
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
A sample of an unknown gas effuses in 11.9 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.00 min. What is the molar mass of the unknown gas
What are he experimental conditions of T and P that will be used to calculate the mass of air in the flask? B) Calculate the density of air at the experimental conditons identified in part A
the major differences in the dehydration of an alcohol by an E1 and E2 reaction mechanism.
If 488 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
Determine the atomic number and valence orbital that is filling for the element that would appear below radium in the periodic table.
56.0 mL of 3.50 M sodium hydroxide is combined with 36.0 mL of 1.50 M magnesium chloride. What mass in grams of solid forms
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
irregularly shaped object if the initial volume of water was 23.0 ml and the volume rose to 54.3 ml after the object was added?
Calculate the fraction of atom sites that are vacant for silver at 695°C. Assume an energy for vacancy formation
An environmental engineer tells you that adjusting the pH to 8.5 will decrease total soluble Cr(III) to below 1 mg/L (1.92 x 10-5 M). Is this true? In other words, is the solubility of Cr(III) in the presence of Cr(OH)3(s) at a pH of 8.5 ? 1 mg/L.
Low-melting solids often "oil out" of a recrystallization solution rather than crystallizing. If this were to happen, how would you change the recrystallization procedure to ensure good crystals
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