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Using the de Broglie and Planck-Einstein formulas, and considering (A) a helium atom with a kinetic energy of 0.0025eV (i.e, thermal energy at 300K) and (B) a baseball (mass=500g) moving at 49m/s, evaluate and interpret the wavelength and frequency associated with the wave motion of each. How do these results compare with the size an atom (1Å) and the diameter of a nucleus (1x10-5)
What is the partial pressure of C6H6 in the vapor phase. What is the mole fraction of C6H6 in the vapor phase.
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related by: PV^k=C
The rate constant of a first order reaction is 4.60x10-4 s-1 at 350C if the activation energy is 104KJ/mol, calculate the temprature
What is the average velocity of the argon atoms in the gas phase at 75 degrees F
What mass of copper would be produced by the reduction of copper(II) ions during passage of 1 ampere of current through a solution of copper(II) sulfate for 51 minutes?
Ozone reacts completely with NO, producing NO2 and O2. A 10.0L vessel is filled with .280 mol of NO and .280 mol of O3 at 350K. Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
How can you tell the difference between a joule of energy and a calorie of energy by looking at bars
What is the cell voltage when the following volumes of 0.640 M NaBr have been added? 1.0 ml, 13.0 ml, 20.6 ml, 21.5ml, 34,5ml, 43.1ml, 47.5ml.
Chemistry Reaction: 2LiOH + CO2 -> Li2CO3 + H2O Is the following equation balanced? Determine the number of atoms for each element in the reactants.
Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment.
The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 499-mm column of di-n-butyl phthalate.
With a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
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