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An airplane is pressurized to 650 , which is the atmospheric pressure at a ski resort at 1.30104 altitude. If air is 21 oxygen, what is the partial


An airplane is pressurized to 650 , which is the atmospheric pressure at a ski resort at 1.30×104 altitude.
If air is 21 oxygen, what is the partial pressure of oxygen on the plane?

If the partial pressure of oxygen drops below 100 , passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped?
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An oxygen tank contains oxygen at a pressure of 1.50 . What is the pressure in the tank in ?
What is the pressure in the tank in ?
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A 10.0 balloon contains gas at a pressure of 640 . What is the new pressure of the gas at each of the following volumes if there is no change in temperature?
23.0 3.50 1500
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Cyclopropane, , is a general anesthetic. A 6.0 sample has a pressure of 5.2 . What is the volume of the anesthetic given to a patient at a pressure of 1.0 ? (The temperature is assumed to remain constant.)
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The volume of air in a person's lungs is 610 at a pressure of 761 . Inhalation occurs as the pressure in the lungs drops to 753 . To what volume did the lungs expand?
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In a gas mixture, the partial pressures are nitrogen 430 , oxygen 115 , and helium 235 . What is the total pressure ( ) exerted by the gas mixture?
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A gas mixture containing oxygen, nitrogen, and helium exerts a total pressure of 970 . If the partial pressures are oxygen 425 and helium 95 , what is the partial pressure ( ) of the nitrogen in the mixture?
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When heated, calcium carbonate decomposes to give calcium oxide and carbon dioxide gas.

( ) ( ) + ( ) If 2.60 of react, how many liters of gas are produced at STP?
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Aluminum oxide can be formed from its elements.

(s) + (g) (s). What volume of oxygen is needed at STP to completely react 7.4 of aluminum?
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This question was asked on Mar 17, 2010.

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