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A container with a removable partition contains gas A and gas B. Gas A is at 400K and 10.0 atm and gas B is at 400K and 4.00 atm. The partition is removed and the gases mix. Given the mole fraction of A is 0.59, the total volume of the container is 50.0 L and the process is isothermal (assuming the gases are ideal):
a) What is the volume of gas A before the partition was removed?
b) What is the total pressure after mixing?
Using active extraction (changing the polarity) and gravity filtration to remove a component, describe how you would obtain pure naphthoic acid from this mixture.
If one collects the first liter of gas that moves from the original room into the evacuated room, approximately what would you expect its composition to be? Would it be the same as regular air?
Calculating concentration of an ion, Given the concentration of hydroxide ions, use the ion product constant of water to calculate the concentration of the other ion at 298 K
A proton in a linear accelerator has a de Broglie wavelength of 143 pm. What is the speed of the proton?
When a 3.03x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
what is the density of a sample of ammonia if the pressue is 705 mm Hg and the temperature is 63.0
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
Under identical conditions, seperate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously.
Calculate the molarity and the molality of an NH3 solution made up of 36.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
A 1.20-L container contains 1.10 g of an unknown gas at STP. What is the molecular weight of the unknown gas?
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
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