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A mass of oxygen occupies 0.02 m3 at one atmosphere of pressure (1 atm = 101 kPa), and 5 ºC.

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A sample of 4 grams of oxygen is at STP (101 kPa and 0 ºC).

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A tank of volume 590 liters (1000 liters = 1 m^{3}) contains oxygen at 20ºC and 5 atm pressure.

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A certain mass of hydrogen gas occupies 370 cm3 at 16 ºC and 150 kPa.

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An air bubble of volume V_{o} is released near the bottom of a lake at a depth of 11.0 meters. Assume that the temperature at the bottom of the lake is 4 ºC and 12 ºC at the surface.

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Two flasks are connected by an tube that is initially clamped off. One flask, volume of 250 cm^{3}, contains krypton gas at 500 mm Hg while the second flask, volume of 450 cm^{3}, contains helium at 960 mm Hg (1 atm = 760 mm Hg). The clamp is removed so that the gases can mix.

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The pressure in a car tire is 28 psi at 0 ºC. As the car runs on the road, the temperature of the tire increases. Assume that the volume of the tire remains constant and that the atmospheric pressure is 14.7 psi.