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Question- There is a 7.50 L container of 3 gases N2, O2 and unknown. The total pressure is 2.1 atms and the partial pressures of O2 and N2 are 0.60 atm and 0.35 atm. The temperature of the container is 25 degrees Celsius. What is the number of moles of the unknown gas?
Explain the each step. Explain the process and each step
How many kilograms of a fertilizer made of pure P2O5 would be required to supply 1.86 kilogram of phosphorus to the soil
Suppose a sample containing 1.200g of Compound X is heated in 25.0 mL of heptane. What is the minimum temperature required to dissolve the sample. If the sample were then cooled to 0 degrees, what would the percent recovery of the solid that would..
Tungsten has a boy-centered cubic unit cell and an atomic radius of 141 pm. What is the density of solid tungsten
A gaseous reaction takes place at a constant pressure of 50.0 atm and releases 64.0 kJ of heat. Prior to the reaction, the volume of the system was 6.60 L. Subsequent to the reaction, the volume of the system was 3.00 L. Compute the total internal..
Calculate the pH at the equivalence point for the titration of 0.20 M HCl with 0.20 M NH3 (Kb = 1.8x10-5)
When 13.0 g of the mixture is dissolved in enough water to make 500. mL of solution, the solution exhibits an osmotic pressure of 6.85 atm at 25°C. Determine the mass percentage of NaCl in the mixture.
The aluminum in a package containing 75 ft2 of kitchen foil weighs approx. 12 oz. Aluminum has a density of 2.70g.cm3. What is the approx. thickness of the aluminum foil in millimeters. (1 oz = 28.4g)
A 250.0 ml sample of gaseous hydrogen bromide, measured at 22.9 C and 0.930 atm, was dissolved in sufficient pure water to form 250.0 ml of solution. What was the pH of that solution.
what mass of sucrose should be combined with 501 g of water to make a solution with an osmotic pressure of 8.85 atm at 305 K? (assume density of solution is equal to the density of the solvent).
a student adds 4.00g of dry ice solid co2 to an emptyballoon. what will be the volume of the balloon at stp after
quicklime cao is produced by thermal decomposition of calcium carbonatecaco3. calculate the volume of co2 at stp
When NaCl is added to a solution of AgNO3, a white precipitate of AgCl forms. If concentrated ammonia, NH3, is added to this precipitate, a clear colorless solution forms containing [Ag(NH3)2]+.
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