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Kristen P. Groden was having abdominal pain and was told by her doctor to have an X-ray taken of her gastrointestinal system. The intestines are transparent to X-ray, so the radiologist gives Kristen a "barium cocktail" to drink. This mixture, containes barium sulfate, BaSO_4, which is opaque to X-rays and will allow her gastrointestinal system to be photographed. Barium ion is quite poisonous, but since BaSO_4 has a very low solubility it can be ingested safely for the X-ray. The solubility of BaSO_4 is 2.4*10^-3 g/L at room temperature. What is the value of K_sp for BaSO_4 at this temperature?
What is the net ionic equation for the following redox reation in basic solution? CrO4{2-} oxidizesHSnO3{-} and reduces to CRO2{-}
Which of the following solutions has the highest pH at 25?C?
A solution is prepared by adding 1.10 g of solid NaCl to 50.0 mL of 0.100 M CaCl_2. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL.
The energy required to break a single carbon-carbon bond is 348 kJ/mol. Calculate the minimum wavelength of light needed to break the C-C bond. Could UV lamps be used to break the C-C bond?
MnO2 is oxidized to MnO4 and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution. Phases are optional.
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
A proton in a linear accelerator has a de Broglie wavelength of 139 pm what is the speed of the proton?
starting with any alkane, alkene, or alkyne as your only organic reactant, propose a series of chemical reactions that will yield
Three gases (8.00 of methane, CH4, 18.0 of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees Celsius, the total pressure in the container is 3.50 atm. Calculate the partial pressure of e..
What is the volume of a gas at T=35.0C and P=675 torr if the same sample occupied 42.6L at T=-27.3C and P=1.000 atm.
Why is normalization of a probability distribution important? What would one have to consider when working with a probability
A commercial plant is to treat 320 m3/hr of feed consisting of 50 % A, 50% inerts at 25 atm and 350ºC to obtain eighty percent conversion. Determine how many 2-m lengths of 2.5 cm ID pipe are required?
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