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Equal masses of three different ideal gases, X, Y, and Z, are mixed in a sealed rigid container. If the temperature of the system remains constant, which of the following statements about the partial pressure of gas X is correct?
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
A sample of 9.00 grams of aluminum metal is added to an excess of hydrochloric acid. The volume of hydrogen gas produced at standard temperature and pressure is…
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
The density of an unknown gas is 4.20 grams per liter at 3.00 atmospheres pressure and 127 °C. What is the molecular weight of this gas? (R = 0.0821 L-atm / mole-K)
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
Hydrogen gas is collected over water at 24 °C. The total pressure of the sample is 755 millimeters of mercury. At 24 °C, the vapor pressure of water is 22 millimeters of mercury. What is the partial pressure of the hydrogen gas?
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
When the actual gas volume is greater than the volume predicted by the ideal gas law, the explanation lies in the fact that the ideal gas law does NOT include a factor for molecular…
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
A compound is heated to produce a gas whose molecular weight is to be determined. The gas is collected by displacing water in a water-filled flask inverted in a trough of water. Which of the following is necessary to calculate the molecular weight of
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
A gaseous mixture containing 7.0 moles of nitrogen, 2.5 moles of oxygen, and 0.50 mole of helium exerts a total pressure of 0.90 atmospheres. What is the partial pressure of the nitrogen?
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
When a sample of oxygen gas in a closed container of constant volume is heated until its absolute temperature is doubled, which of the following is also doubled?
It depends on the relative molecular masses of X, Y, and Z.
46.0
volume
The pressure of the gas
11.2L
733 mm Hg
Vapor pressure of the water
0.63atm
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