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What is the binding energy of the electron in kJ/mol? [Note that KE = 1/2 mv^2 and 1 electron volt (eV) = 1.602×10^-19 J.]
Express your answer using three significant figures.
The element magnesium has 3 isotopes with the masses and natural abundances shown in the table. Mass of Isotope Natural abundance 23.98504 78.99 24.98584 10.00 25.98259 11.01 What is the average atomic mass of magnesium
If 27.5 mL of 0.1000 M NaOH are required to neutralize 1.22 g of an unknown acid, HA, what is the molecular weight of the unknown acid? NaOH + HA --> NaA + H2O
What is the percent by mass of a solution in which 60. g of NaOH are dissolved in sufficient water to make 100 g of solution.
Background:Evolutionoccurs in all living organisms from the smallest bacterial cells to the mostcomplex animals. In bacterial cells evolution occurs rapidly in response toenvironmental pressures due to their simple genome and rapid reproductionrates.
The solution was then titrated under acidic conditions to the end point with 45.45 mL of 0.3200 M KMnO4. (The MnO4 was converted to Mn2+). A. Derive the balanced titration equation. B. Calculate how many grams of Fe were in the original iron wire ..
Four anions were confirmed present by the formation of a precipiate. Which are so confirmed? Write a formula and indicate the color
How much boiling water would you need to raise the bath to body temperature (about 37c ). Assume that no heat is transferred to the surrounding environment.
Use the appropriate values of Ksp and Kf to find the equilibrium constant for the following reaction: FeS(s)+6CN^-(aq)->
Niobium has an atomic radius of 0.143 nm as well as a density of 8.57g/cm3. Find out whether it has an FCC or BCC crystal structure.
Determine the characteristic wavelengths if an electron are accelerated through an electric potential to a kinetic energy of 18kev.
The scenario found in the original question would result in not one, but two people with one functioning kidney. As we know, a person can survive.
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
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