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The empirical formula of a solid is AB2 and it dissolves to form the cation A2+ and the monoanion B-.
Solid AB2 is added to water and allowed to reach equilibrium. At equilibrium, the concentration of A2+ is found to be 0.24 moles/L. What is the Ksp of this salt?
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
Calculate the molarity and the molality of an NH3 solution made up of 36.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
A gas cylinder of 55.0L volume contains N2(g) ata pressure of 32.5atm and 23.0C. What mass of Ne(g) must be introduced into this same cylinder to raise the total pressure to 65.0atm
when carbon dioxide dissolves in water carbonic acid h2co3 is formed. when this enters limestone caco3 it dissolves the
Write the equations that represent the first and second ionization steps for selenic acid (H2SEO4) in water.
Explain the difference between accuracy and precision, as it pertains to experimental data. The best way to do so is to define
Treatment of the lipids with the enzyme lipase can be used to hydrolyze fatty acid ester linkages Treatment with glycosyl hydrolase enzymes can be used to hydrolyze glycosidic bonds or other acetal/ketal functionalities
compare the ph difference volume differencethe ph change divided by the volume of naoh added values for each of the
4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
a storage container has the dimensions of 232mm by 0.145m by 32.5cm. If it is filled with liquid mercury (density 13.534 g/ml), what is the mass in kg of the mercury in the container
Which protein elutes first from a carboxymethyl cellulose ion exchange column with an increasing pH gradient
The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given below. If the rate of appearance of Cr2(SO4)3 is 1.64 mol/min at a particular moment, what is the rate of disappearance of..
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