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When X-rays of wavelength 0.900 nm are diffracted by a metal crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance (in pm) between the two layers of atoms responsible for this diffraction.
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What is the volume of a solution with a concentration of 1.2 M that contains 12 g of NaOH?
Asolution is prepared by dissolving 22.44 grams of acetic acid inenough water to make250.0 mL of solution. A 25.00-mL aliquot of NaOH solution is thentitrated with the acetic acid solution. 37.28 mL of the acetic acid so ...
Upon decomposition, one sample of magnesium fluoride produced 2.55 kg of magnesium and 3.99kg of fluorine. A second sample produced 1.40 kg of magnesium. How much fluorine (in grams) did the second sample produce?
Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...
A photon of wavelength 200 nm strikes the surface of a metal causing an electron to be ejected with kinetic energy of 4.3 x 10-19 J. What was the threshold frequency of the metal?
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
How do the colors seen by the naked eye compare to the emission spectra emitted by the flame
Calculate the volume in milliliters of a 1.8 mol/L iron(II) bromide solution that contains 150.g of iron(II) bromide FeBr2. Round your answer to 2 significant digits.
A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their molarities in the resulting solution? What is the PH of the solution?
Suppose 1.7 g of zinc is treated with 6.2 g of pure hydrogen chloride. What is the maximum mass (in g) of hydrogen gas that can be produced?
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