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An argon ion laser puts out 5.6 of continuous power at a wavelength of 532 . The diameter of the laser beam is 6.0 . If the laser is pointed toward a pinhole with a diameter of 1.1 , how many photons will travel through the pinhole per second? Assume that the light intensity is equally distributed throughout the entire cross-sectional area of the beam.
Gilman reagents will react with alkyl halides to form carbon-carbon bonds. Outline a synthesis of Ph2CuLi and use it to make butylbenzene isomer free. What other way can you make butylbenzene isomer free?
a sample of nitrogen gas is collected over water at a temperature of 20 degrees celcius and a pressure of 1.00 atm. the
Write the total and net ionic equations for the reaction of BaSO4 dissociation, and calculate the trial Ksp for the product formed, when 40 mL of 0.1 M Ba(CH3COO)2 reacts with 60 mL 0.6 M MgSO4 and decide whether a ppt will form
A 1.53L sample of a gas is at a pressure of 5.6 x 103Pa. If the pressure is changed to 65 mmHg, what will be the new volume of the gas
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
Table below lists absorption values of an FT-IR band at 1530 cm^-1 due to bending vibrations of polyethylene in polyethylene/polybutadiene (PE/PBT) blends.
when substitutionally incorporated into 1 kg of silicon will establish a charge carrier density of 3.091times1017
what is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid hno3 in a solution with a total
It takes 47.0 to raise the temperature of an 11.7 piece of unknown metal from 13.0 to 24.4. What is the specific heat for the metal?
Use standard reduction potentials (shown below) to calculate the potential of a nickel-cadmium cell that uses a basic electrolyte that has a 0.6 M hydroxide concentration.
The system then re-equilibrates. The appropriate chemical equation is PCl3+Cl2PCl5. Calculate the new partial pressures after equilibrium is re-established
How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer
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