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If glass beads in the lab were replaced by a material with less surface area, will liquid seperation be better or worse? Why?
Specify whether a simple distillation or a fractional distillation would be more suitable for each of the following purifications, and briefly justify your choice.
Calculate how the amount of AgCl(s )will change when the equilibrium is disturbed by Adding AgNO 3
A monoprotic acid donates a single proton. If you dissolve two aspirin tablets in a 300 m glass of water, what is the pH of the solution
What minimum pressure must be supplied to a reverse osmosis water purification system in order to overcome the osmotic pressure in water that is 1.24 M in total dissolved ions at 16 C?
A 3.9-g sample of Colorado oil shale is burned in a bomb calorimeter, which causes the temperature of the calorimeter to increase by 5.0°C. The calorimeter contains 1.00 kg of water (heat capacity of H2O = 4.184 J/g°C) and the heat capacity of the..
The additive was a compound containing carbon, hydrogen and lead (Pb). When 51.36 g of this compound was burned in excess oxygen, 55.90 g of CO2 and 28.61 g of H2O were produced. Determine the empirical formula of the compound.
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
What is the difference between the virial equation of state and the SRK equation of state? When would you use one versus
the uncatalyzed decomposition of hydrogen peroxoide is first order with an activation energy of 75.3 kj/mol and a half life of 6 hrs at 40 degrees celcius.
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
What is the pH of a buffer that results when 0.50 mole of H3PO4 is mixed with 0.75 mole of NaOH and diluted with water to 1.00 L, The acid dissociation constants of phosphoric acid are Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8, and Ka3 = 3.6 x 10-13
What is the molality of CrCl3 in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate in 250.0 g of water.
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