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to measure the binding energy of electrons in molecules and solids, photoelectron spectroscopy utilizes the photoelectric effect, by measuring the kinetic energy, wavelength, and binding energy. one variant of photoelectron spectroscopy is x-ray photoelectron spectroscopy. if the x-ray wavelength is 0.2nm, calculate the velocity of electrons emitted from molecules in which the binding energies are 10ev, 100ev, and 500ev
On the assumption that the debye-Huckel limiting law applies, what is the value of the solubility product equilibrium constant Ksp for AgCl in such conditions?
A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10-5.
Find the volume of a molar solution and What volume of a 2.00 molar solution of sulfuric acid, H 2 SO 4 , is required to react with 250.0g of magnesium carbonate, MgCO 3 , according to the following equation?
We had a 0.10 M solution of acetic acid in water. We then placed 2 mL of the 0.10 M solution and 2 mL of toluene into a dropper and mixed. We did some magic and had
A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..
A student's piece of galvanized metal had a mass of 42.73 grams before dipping it into the acid. Afterwards its mass was 42.22 grams. How many moles of zinc were removed? How many atoms is that?
Therefore an answer in U.S. customary units, such as miles per hour would not be accepted as correct. A car traveling with constant speed travels 150 km in two hours. What is the speed of the car?
The solubility of strontium fluoride (SrF2) in water is 111.5 mg/L. What is Ksp for strontium fluoride (molar mass = 125.62 g)?
the ksp of agcl is larger than the ksp of k2cro4,yet k2cro4 is more soluble than agcl. explain the fallaciousness of the statement.
Calculate the pH and the percent ionization of butanoic acid in this solution. *I will only award points if a solution is presented. What good does just the answer do for me?
What would the appropriate substrate concentration be? b) At what substrate concentration would you expect 30% of the enzyme molecules to have substrate bound?
How much heat is required to raise the temperature of a 464g of lead from -20.0C to 219C
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