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Problem- Actinium metal, Ac, crystallizes in a face-centered cubic arrangement. What is the radius (in picometers) of one atom of actinium, if its density is 10.07 g/cm^3?
Please provide the answer of the given question on urgent basis
Calculate the volume of a 0.122 M potassium permanganate solution needed to react with a second 15.0 ml sample of the oxalic acid solution. The oxalic acid is oxidized into carbon dioxide in the second reaction
a radioisotope used to evaluate heart function in exercise stress tests, decays by capturing one of its own core electrons. it also emmits gamma rays. write an equation for its nuclear decay, then identify the daughter isotope
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
A disproportionation reaction is a type of oxidation-reduction reaction. which species is oxidized and which is reduced? B.) If 1.0 mL of 55% HSO3^- by mass is obtained in the reaction, what mass of S2O3^2- was present initially
A sample of nitrogen gas was collected over water at 20 degrees celsius and a total pressure of 1.00 atm. A total volume of 2.50 x 10^1 mL was collected. What mass of nitrogen was collected
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
a 6.0 g sample of cuh2o4so4xh2o molar mass 249.68 gmol is dissolved in deionized water. if an excess of ammonia is
the Nernst Equation to calculate the potential on the left and right. (Assume the standard potential for the left side equals 1.33 and the right side equals 0.268
State a detailed mechanism for the acid catalyzed dehydration of 1-phenylethanol to styrene. Presume the hydrogen sulfate ion HSO4- is the proton source
How many moles of sulfate ions (SO2-/4) are present in 1.6 moles Al2(SO4)3
Question- Rubidium has a crystal structure based on the body-centered cubic unit cell. 1) What is the mass of one unit cell of rubidium
Question- Upon the addition of water, As2O3 is converted to H3AsO3. During the titration H3AsO3 is oxidized to H3AsO4 and MnO_4^- is reduced to Mn2+.
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