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A metallic element with edge length 362 pm crystallizes in a face-centered cubic unit cell. What is radius of the atom?
A red laser pointer emits light with a wavelength of 650 nm. What is the energy (in J) of a photon of light of this wavelength?
What will be wavelength required for a baseball (mass = 149 g) traveling at a speed of 41.6 m/s
Calculate the mass of pure silver that when heated from 12.0 degrees celcius to 15.2 degrees celcius it required 1.25 kj of energy
Draw the structure(s) of the secondary alcohols with the chemical formula C6H14O that have a 4-carbon chain.
If aluminum is diffused into a thick slice of silicon with no previous aluminum in it at a temperature of 1100?C for 8 hours, what is the depth below the surface at which the concentration is 1016 atoms/cm3 if the surface concentration is maintain..
Caffeine crystals always contain at least one molecule of water per caffeine molecule. Draw chemical structures to explain why a water molecule might be essential to producing a stable crystal of caffeine.
Consider a 0.37M solution of each of the following salts in distilled water. Will the solution be acidic, neutral, or basic? You may need to reference a table of Ka and Kb tables values.
Outline a reasonable synthetic scheme to effect the conversion of cyclohexene to 2-ketoheptanoic acid
how many kilojoules of heat are absorbed when 7.20g of mgos is decomposed into mgs and o2 g at constant
How much heat (in kilojoules) is evolved or absorbed in the reaction of 2.45 of with enough carbon monoxide to produce iron metal?
Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent: (answer in percent) molality
At a certain temperature* (probably not 25 ºC), the solubility of silver sulfate, Ag2SO4, is 0.023 mol/L. Calculate its solubility product constant for this temperature.
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