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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
With its wheels locked, a van slides down a hill inclined at 26.0 to the horizontal. Find the acceleration of this van if the hill is icy and frictionless
A photon whose energy is 1.3 x 10^-14 J is scattered off an electron at an angle of 50 degrees
A spherical mirror has a focal length of -14 cm. Where is the mirror's image for an object which is at a distance of 30 cm? Draw the ray diagram for this set up
A star with the same mass and diameter as the sun rotates around a central axis with a period of 28.8 days. What would be the new rotation period of the star
a -N block hangs from the second spring. A block of unknown weight hangs from the third spring. find the weight of the block hanging from the third spring
A quarter, having a radius of 1 cm. and a thickness of 1.3 mm., is placed in a uniform E field of 6300 N./C. What is the net positive charge on one of the faces of the coin
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. Calculate the intensity of the sound wave emitted
A home run is hit in such a way that the baseball just clears a wall 10 m high, located 124 m from home plate, Find the time it takes the ball to reach the wall
The velocity of the wave traveling on a string is higher if you increase the length of the string (keeping the kind of string, and the tension of the string, unchanged)
Imagine trying to build a portion of a draw bridge as in the following. The side towers reach h=100 meters high above the road level. what is the total tension in the lift wire
the 2.0 cm diameter coil has 25 turns and has a current flowing through it of 5 A. The magnetic field strength is .4 T. What is the emf due to the change in flux
A 25.0microF capacitor is charged to a potential difference of 800V. The terminals of the charged capacitor are then connected to those of an uncharged 8.00microF capacitor. Compute the original charge of the system
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