Describe the ph at the equivalence point for the titration
Calculate the pH at the equivalence point for the titration of 0.20M aniline (C6H5NH2,kb=3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to aniline solution.]
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A hydrogen atom undergoes an electronic transition from the n=4 tothe n=2 state. In the process the H atom emits a photon. This photon then strikes a cesium metal surface and ejects an electron.The binding energy for cesium is 3.23x10^-19J.
The free end of the stick is pivoted on a pole and the sphere rolls on the ground without slipping with its center moving in a circle of radius R with frequency Ω. What is the normal force between the ground and the sphere?
Determine work done by the surroundings on the water vapor system. The useful wok done on the water vapor (removing work done by the atmosphere).
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Find the volume flow rate from the bottom of the flask. Evaluate the direction and rate of change of water surface level in the flask at this instant.
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The electric field strength between the "plates" of this capacitor is 6.11×105 V/m. If the dielectric were replaced with a vacuum, what would the strength of this electric field become, assuming the charges on the plates remain the same?
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