You are measuring the concentration of Fe2 in a sample by measuring the absorbance of its complex with ferroxine. Your sample, measured in a 1.00-cm pathlength cuvette, has an absorbance of 0.347 while the reagent blank in the same cuvette has an absorbance of 0.040. What woul...
Consider a single photon with a wavelength of λ, a frequency of ν, and an energy of E. What is the wavelength, frequency, and energy of a pulse of light containing 100 of these photons? A)100λ, 100ν, and E B)0.01λ, ν, and 100E C)λ, ν, an...
Mr Dominguez is standing on a 40 ft ocean bluff near his home. He can see his two dogs on the beach below. If his line of sight is 6 ft above the ground and the angles of depression to his dogs are 34 degrees and 48 degrees, how far apart are the dogs to the nearest foot?
What is the molality of a 0.065M solution of ethyl alcohol in water at 25 degrees Celcius? (Assume the density of the solution at such low conentration is equal to that of water at 25 degrees Celcius, 0.997 g./mL)
A 1200-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1825-N crate hangs from the far end of the beam. (a) Using the data shown in the drawing, find the magnitude of the tension in the wire. (b) Using the data shown...
In an isometric exercise a person places a hand on a scale and pushes vertically downward, keeping the forearm horizontal. This is possible because the triceps muscle applies an upward force perpendicular to the arm, as the drawing indicates. The forearm weighs 25.0 N and has ...
Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. .63m in front of the rear wheels and 2.3m behind the front wheels. The mass of the truck and its contents is 9155 kg. Find the magnitudes of the forces exer...
medical office assistant
if both nondivorced parents of a dependent child have insurance that will cover the child, which policy is considered to be the primary carrier for the child?
In the book "The Great Gatsby" why has Gatsby called off his parties?
For Further Reading