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Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
How much energy is contained in each of the following?
(a) 250 photons with a wavelength of 3.0m. (b) 4.2 x 10^6 photon with a wavelength of 92 um:
Finding the energy of the photons by using de-Broglie wavelength.
How much energy is contained in each of the following
(a) 1.78x10^22 photons with a wavelength of 2.1 A? (b) To which region of the electromagnetic spectrum does each wavelength belong?
Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
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Write the electronic configuration in sublevels for the following atoms
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Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
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