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A 30.0 mL aliquot of a manganese solution (12.5 mg/mL of manganese, FW=59.94) was added to a 100. mL volumetric flask and diluted to the mark with distilled water. At a wavelength of 525 nm, this solution had an absorbance of 0.625 in a 1.000 cm cuvet. Calculate the molarity of the diluted manganese standard solution. [Express your answer as a decimal number. Do not use scientific notation. Include the leading zero and units.] If you could help i'd greatly appreciate it, this problem was giving me problems for a while
An ac generator supplies a peak (not rms) voltage of 150 V at 60.0 Hz. The generator is connected in series with a 35-mH inductor, a 45-µF capacitor and an 85-? resistor. What is the power factor for this circuit
White light illuminates an oil film on water. Viewing it directly from above, it looks red. What is the refractive index of the oil
A water hose 4.00 cm in diameter is used to fill a 25.0 L bucket. If it takes 3.00 min to fill the bucket, If the hose has a nozzle 2.00 cm in diameter, find the speed of the water at the nozzle
q1. a single bead can slide with negligible friction on the stiff wire that has been bent into a circular loop of
X-rays are scattered from electrons in a carbon target. The measured wavelength shift is 0.00099 nm. Calculate the scattering angle
If you throw a .038 kg ball at a speed of 10.9 m/s and at an angle of 43.5 above the horizontal from a 14.8m high building, what will its kinetic energy be when it hits the ground
A 22 nC charge is placed at the origin of an x-y coordinate system. A 16 nC charge is placed at coordinate (0, 8cm) and a -14 nC charge is at (-6cm, 0). What is the electric potential at coordinate (-6cm, 8cm)
The pyramid depicted in the figure contains approximately 2.20 million stone blocks that average 3.00 tons each. Find the weight of this pyramid in pounds. (Please provide numerical answer in lbs)
Upon being struck by 240 nm photons, a material ejects electrons with a maximum kinetic energy of 2.58 eV
A small conductive rod of length 1.4 m moves with a constant velocity v=11 m/s in a direction parallel to a long wire carrying a current of 34 A. Calculate the electric potential induced across the rod
Olympic diver Matthew Mitcham springs upward from a diving board that is 3.10 m above the water. Determine his maximum height above the water
Larger wavelengths diffract more than smaller wavelengths. how long in years would it take the person to move a distance of one meter
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