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In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV. Electrons with this kinetic energy have a velocity of 2.67 x 10^8 m/s, almost 90% of the speed of light. What is the wavelength of the electrons traveling at this very high speed?
The selection of enantiomerically pure (1S)-[endo]-(-)-borneol in the upcoming experiment presents a great opportunity to review some stereochemistry basics
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
The total amount of water runoff from the road is equal to a volume that would make the water on the roadway be at a depth of 0.4 inches if it all stayed on the roadway.
Draw the mechanism of Grignard Synthesis of Malachite Green. (Ensure that all mechanistic arrows are correctly drawn.) Show the following
determine both the position and velocity (momentum) of an atom or subatomic particle such as an electron and thus negate the uncertainty principle? Fully explain your answer.
Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat
A 5.0 L bulb filled with 175 torr of He and a 7.5 mL bulb filled with 325 torr of Kr are connected together allowing the gases to mix. What is the final pressure in the combined bulbs, assuming the gases behave ideally and the volume of the connec..
Neat, aliphatic, primary amines show two absorptions between 3400 to 3330 cm-1 and 3330 to 3250 cm-1 due respectively to asymmetrical and symmetrical stretch. Stretch at 3300 cm-1. Why do tertiary amines not absorb in this region of the spectrum?
assume you dissolve .297 g of the weak acid benzoic acid in enough water to make 105 mL of solution and then titrate the solution with .141 M NaOH. What are the concentrations of Na+ at the equivalence point?
At constant pressure, it is cooled to 18.00 °C where its final volume is 1.75 L. What was the initial temperature?
Find the volume of 1.00M KOH which must be added to 200mL of 1.00M glycolic acid (pKa=3.83) to produce a buffer solution
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
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