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At what pressure does the mean free path of argon at 25C become comparable to the size of 1dm^3 vessel that contains it? take ?=.36nm^2
Explain how mass effects act to lower the carbonyl frequency, as well as how inductive and hyperconjugation effects act to raise the carbonyl frequency of aldehydes relative to ketones.
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
Identify the most important types of interparticle forces present in the solids of each of the following substances: A) BaSO4 B) H2S C) Xe D) C2H6 E) CsI F) P4 G) NHs
When sodium chloride is added to the solution, no precipitate forms. when sodium sulfate is added, a precipitate forms. this precipitate is filtered of and sodium carbonate is added to the solution
The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter?
How do the units mol/L and ppm compare? You will be given a 100.5 ppm iron stock solution (the iron is ferrous ammonium sulfate hexahydrate, (NH4)2Fe(SO4)2 x 6H2O. Report its molecualr weight in g/mol, and determine the concentration of the stock ..
calculate the ph of the solution that is 0.20M hydrofluoric acid and 0.040 M Lithium fluoride. the Ka for hydrofluoric acid is 3.5*10^-4.
water and titrated with 0.0633 M NaOH. After 10.0 mL of base has been added, the pH was determined to be 5.07. What is the Ka for the acid?
Methylamine (CH3NH2) is a weak base. In a 0.100 M solution, 6.30% of the base is ionized. What is its Kb
When the liberated hydrogen gas is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 343 mL. The vapor pressure of water at 29 degrees celsius is 30.0 torr. What is the mass percentage of aluminum in this alloy?
A 2.00 g sample of ammonia is mixed with 4.00 g of oxygen. Which is the limiting reactant and how much excess reactant remains after the reaction has stopped
What mass of silver chloride can be prepared by the reaction of 130.0 mL of 0.15 M silver nitrate with 190.0 mL of 0.30 M calcium chloride?
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