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The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature, what is the edge length of a unit cell of crystalline silver?
Calculate the potential volume of the gas contained in 500-mL aerosol can when it is heated from 25 degrees C to 54 degrees C (approx. 130 degrees F) assuming a constant pressure.
A soluation of HO-CH2-CH2-OH is prepared by dissolving 651g of ethylene gylcol in 1.50kg of water. Determine the freezing point of the soluaiton and the vapor pressure of water above the solution 25.0 degrees C.
calculate the unknown concentration for the analyte noted as (xM) from the potential data given at 25 oC Pt/Fe 2+ (0.05 M)//Ag+ (xM) /Ag.
Write the net ionic equations for & the reactions occurring for each cation in the group.
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Determine the moles of H2O lost. E. Write the empirical formula for hydrated alum, based on your experiment.
What are the initial and final pH's? What would be the pH if the same amount of HCl were added to the 125 mL of pure water? The Ka of acetic acid is 1.8*10^-5
suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen. what is the limiting reagnant?
A 515 g piece of copper tubing is heated to 95.0°C and placed in an insulated vessel containing 57.0 g of water at 30.0°C.
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 23.75 mL of 0.0502 M NaOH but overshoot the end point
An empty gasoline can with dimensions 15 cm by 40 cm by 12.5 cm is attached to a vacuum pump and evacuated. if the atmospheric pressure is 14.7 lb/in^2.
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