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Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis. How to work out the problem
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
What percentage of the Sr-90 that was formed in the detonation of the first fission bombs in August 1945 is still present in the environment in August 1982.
A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus, a) what is the nuclear charge in this element. Why? b) what are the symbol and name of this element? How do you know?
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
Suppose that in changing samples, a portion of the water in the calorimeter weere lost. In what way, if any, would this change the heat capacity of the calorimeter?
The mass of a cube of iron is 379 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
What is the HCl concentration of 33.7 mL of 0.350 M NaOH is required to titrate a 30.0 mL sample of the acid?
calculate the volume of air at 30 degrees celcius and 1 atm that is needed to burn completely 10 grams of propane. assume that air is 21 percent oxygen by volume
how do you calcalculate a cube of an unknown metal measures 1.61mm on one side. the mass of the cube is 36mg. which of the following is most likely the unknown metal rhodium, cooper, niobium, vanadium, or zirconium and explain why please.
What is the value of Keq for the reaction H2(g) + 1/2 O2(g)-> 1/2 H2O(l)?
What is the final temperature of the water and pieces of metal?
Alpha terpene, C10H16, is a pleasant-smelling hydrocarbon that has been isolated from oil of marjoram. On hydrogenation over a palladium catalyst, alpha terpene reacts with two molar equivalents of H2 to yield a hydrocarbon C10H20
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