Calculate the frequency in s-1 of the photon
A mole of photons in the blue visible region of the electromagnetic spectrum has an energy of 2.54 × 10 2 kJ/mol, calculate the frequency in s-1 of the photon. Express answer in scientific notation.
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Laser has a 1 m-long resonator with 98% and 100% mirror reflectances. Other loss mechanisms are negligible. The atomic transition has a central wavelength = 515 nm, spontaneous lifetime = 10 ns, and linewidth Δ = 3 pm (note the
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound?
The following model is used to represent the effect of the solar radiation on the photosynthesis rate of aquatic plants:P = Pm* e ^ ((- I/ Isat)+1).
A toxicology studying mustard gas prepares a mixture of .675M SCl2 and .973 M C2H4 and allows it to react at room temperature (20.0 C). at equilibrium [S(CH2CH2Cl)2]=.350 M, calculate Kp.
The radius a and the relative refractive index difference ? are to be selected to make this a single mode fibre.Sketch a design characteristic of refractive index difference ? versus core radius for the fibre representing the conditions for singl
Steam enters the turbine of a simple vapor power plant at 100 bar, 520°C and expands adiabatically, exiting at 0.08 bar with a quality of 90%. Condensate leaves the condenser as saturated liquid at 0.08 bar.
Calculate the energy in J of a photon in the radar region of the electromagnetic spectrum that has a wavelength of 24.3 cm. Express answer in scientific notation.
Calculate the freezing point of a solution containing 5.0 grams of KCl and 550.0 grams of water. The molal-freezing-point-depression constant for water is .86 °C/m.
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