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A 2.0-liter sample of H2(g) at 1.00 atm, an 8.0-liter sample of N2(g) at 3.00 atm and a 4.0-liter sample of Kr(g) at 0.50 atm are transferred to a 10.0-liter container at the same temperature. Calculate the partial pressure of each gas and the total final pressure in the new container.
the rate at which a substance through a semipermeable membrance is determined by the diffusivity D(cm^2/s)of the gas . D varies the membrance temperature
An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide. If the mass is 21.3g, what is this substance's density?
Would expect the percent error in the solid density to be higher or lower than the percent error in liquid density. Explain why
Available are solid oxalic acid dihydrate, solid sodium hydrogenoxalate monohydrate, solid sodium oxalate, and liquid water. State the amounts and identities of the reagents, and the glassware, that you would use to prepare 100 mL of a buffer solu..
The coal that is burned is a form of pure carbon. (Diamonds and graphite are other forms of pure carbon). A sample of coal is completely burned in a 10.0 L cylinder at a constant pressure of 1.10 atm and a temperature of 1000 oC.
A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings
25.0 ml of a calcium chloride solution is added to an excess of aqueous silver nitrate. the resulting precipitate has a
a chemistry student prepares acetone by decomposing 12.3 g of calcium acetate. if the student collected 2.50 g of
In the study of a second order gas phase reaction, it was found that the molar concentration fell from 200 mmol L-1 to 80 mmol L-1 in 1.20x104 seconds. What is the rate constant of the reaction
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.06 , and the density of the crystal is 7.01. Calculate the molar mass (in g/mol) of the element
This might not be a good question to ask on here but I don't know where else to try and get some help. What I cant figure out is what buttons to push on my calculater
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