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Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fission reaction:235 92U+1 0n→143 55Cs+A ZX+3 1 0nExpress your answer as an isotope using prescripts.
Problem- Two solutions used in atomic absorption measurements with an acetylene/air flame contain equal concentrations of calcium. For each of the conditions given below, indicate which of the two solutions will yield the higher absorbance value a..
Calculate the half cell potential for the reduction of Pb(II) to metallic Pb(I) in a saturated Lead(II) sulfate solution
Estimate the emissions of each compound produced in m3 measured at SC per metric ton (1000 kg) of No.6 fuel oil burned in an oil-fired burner with no emission controls given the following data
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Examine the nuclide neptunium-237. The nuclide has a measured nuclear mass of 237.048166 amu. Determine the binding enery in kj, kj/mole
calculate the seperation in Energy between the ground state and the first excited state in which one electron occupies the state with n=7.
Which of the following is always true for a spontaneous process at constant temperature? A) Delta S system + Delta S surroundings = q/T B) Delta
two containers of the same volume are evacuated. container 1 is maintained at a temperature of 400k and filled with
A fluroide ISE electrode was used to determine the amount of fluoride in water. The results are given for 4 standards and two unknowns below. Does the calibration curve show nernstian behavior or not? What are the concentrations for the unknown sa..
what will the maximum temperature reached by the resulting solution? [Assume that there is no heat loss to the container, that the specific heat of the final solution is 4.18 J/g*C, and the density of the final solution is that of water.]
There was an accident at the industrial plant. Subsequent to the spill into the creek he water had Cr levels of 1.10 ppb n=6, S= 0.08. Could you state with 95% confidence that the Cr level in the creek had rise, that are these samples statisticall..
The pH at the ½ neutralized point in the titration of a weak acid is 6.824. What is the pKa of this acid
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