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Problem- PET studies require fluorine-18, which is produced in a cyclotron and decays with a half-life of 1.83 hours.
Assuming that the F?18 can be transported at 61.0 miles/hour, how close must the hospital be to the cyclotron if 63% of the F?18 produced is to make it to the hospital?
I just need a general explanation of it please- Thanks
sodium nitrite nano2 reacted with 2-iodooctane to give a mixture of two constitutionally isomeric compounds of
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
Compute the density of both an ideal as well as a hard sphere gas with molar mass 30 grams/mole that has a b parameter of 0.037 L/mol. The pressure is 1000atm and the temperature is 50 K.
Use the ideal gas and the van der Waals equations to calculate the pressure when 3.00 mol of H2 are confined to a volume of 1.00 L at 298 K
a person accidentally swallows a drop of liquid oxygen o2l which has a density of 1.149 gml. assuming the drop has a
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
ammonia nh3 with kb 1.8 x 1005 is added to 100 ml of waterat room temperature and the vapor pressure of water above
A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives are 55.0 min for A and 26.00 min for B. If the concentrations of A and B are equal initially
1. Consider a process involving 1 mole of an ideal gas that takes place by the following pathway, at a constant temperature of 25oC: P1 = 2.5 atm → P2 = 0.25 atm → P3 = 2.5 atm Both steps occur irreversibly.
A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
calculate the molality (m) of the following solutions: a)65.0 g of glucose, C6H12)6, a nonelectrolyte, added to .112 kg of water. b).320 mol of sucrose, C12H22O11, a nonelectrolyte, dissolved in 1.50 kg of water
Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.
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