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A .3120g sample of a compound made up of aluminum and chlorine yields 1.006g of AgCl when mixed with enoughAgNO3 to react completely with all of the cholrtine. Explain what the empirical simplest formula of the compound is.
Explain what is the molar concentration of the final NaOH solution at 25°C
Write a balanced equation for the following reaction gaseous propane (C3H8) burns in oxygen to form gaseous carbon dioxid and water.
If a solution containing 30.87 g of mercury(II) chlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfide,
the coinage metals-copper silver and gold-crystallize in a face center cubic structure. use the density of copper of
When X rays of wavelength 0.096 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance between the layers of atoms responsible for the diffraction.
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Calculate Ka for the conjugate weak acid of CH3COO-
Calculate the number of coulombs required to produce 6.53 g of Hg from an aqueous solution of Hg2+
how could you determine whether a white powder was zinc sulfide or sodium carbonate using a hydrochloric acid solution?
A tank contains 40 lb. of air, 20 lb. of CO2 and 30 lb. of SO2. Compute the volume of the tank if the total pressure of the mixture is 44.08 psi at 86°F. What is the partial pressure of each constituent and the average molecular weight of the mixt..
Calculate the amount of work that can be obtained from this reservoir before it cools to the temperature of the cold reservoir which is 0C. Assume that the heat capacity of water is constant over this temperature range at 75 J/(mole*K). Calculate ..
Calculate the molarity and mole fraction of a 1.51 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the final volume equals the sum of the volumes of ..
the same volume ofco2 at the same temp. and pressure is liberated from 1.000g of dolomite byadding an excess of hcl as
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