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Problem- The half-lives of different radioisotopes are given here: Argon-44, 1/2 Life 12min; Lead-196, 1/2 Life 37 min; Potassium-44, 1/2 Life 22 min; Indium-117, 1/2 Life 43 min. If the initial amount of Argon-44 is 6.4 g, How much Argon-44 is left in the body after 24 min?
I am not able to determine the correct answer for the above question please helps me to get the correct answer
Give a nanoscale interpretation of the fact that at the melting point the density of solid mercury is greater than the density of liquid mercury, and at the boiling point the density of liquid mercury is great than the density of gaseous mercury.
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Ethanol CH3CH2OH(l) can be formed from a reaction between ethylene gas C2H4(g) and water vapor. It is unclear if the C-C in ethylene gas is a single, double, or triple bond.
in a laboratory, 6.82 g of Sr(NO3)2 is dissolved in enough water to form 0.500 L of solution. A0.100 L sample is withdrawn from this stock solution and titrated with 0.0245 M solution of Na2CrO4. What voume of Na2CrO4 solution is needed to precip..
How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
when NaOH is added to this solution, a white precipitate forms. Using an equation, provide the identity of the white precipitate and explain its formation.
Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left.
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