0.862 mol sample of helium gas at a temperature of 6.00 °C is found to occupy a volume of 27.7 liters. The pressure of this gas sample is mm Hg.

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0.723 mol sample of helium gas at a temperature of 8.00 °C is found to occupy a volume of 28.7 liters. The pressure of this gas sample is mm Hg.

A gas sample containing only BF3, SO2 and S2F2 has the following mass percent composition: 44.3% BF3 and 13.3% SO2. Calculate the partial pressure (torr) of SO2 if the total pressure of the sample is 1.90 atm.

A certain mass of nitrogen gas occupies a volume of 4.49 L4.49 L at a pressure of 2.69 atm.2.69 atm. At what pressure will the volume of this sample be 6.87 L?6.87 L? Assume constant temperature and ideal behavior.

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Calculate the total pressure (in atm) of a mixture of 3.00 x 10-2 mol of helium, He, and 7.00 x 10- mol of oxygen, O2, in a 6.00 L flask at 20.°C. Assume ideal gas behavior. Total pressure atm ||

A mixture of xenon and carbon dioxide gases at a total pressure of 686 mm Hg contains xenon at a partial pressure of 163 mm Hg. If the gas mixture contains 9.67 grams of xenon, how many grams of carbon dioxide are present?

The stopcock connecting a 1.00 L bulb containing krypton gas at a pressure of 678 mm Hg, and a 1.00 L bulb containing carbon dioxide gas at a pressure of 664 mm Hg, is opened and the gases are allowed to mix. Assuming that the temperature remains constant, what is the final pressure in the system? mm Hg

The pressure of a sample of argon gas was increased from 1.57 atm to 6.41 atm at constant temperature. If the final volume of the argon sample was 14.3 L, what was the initial volume of the argon sample? Assume ideal behavior. L