Chemistry

Chemistry, 10.11.2019 03:31, reginaakerson230

What is the partial pressure of oxygen?

What is the partial pressure of oxygen?

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Chemistry, 23.06.2019 20:30, ComicSans10

Atmospheric pressure is 1.00 atm, but air is only composed of 21.0% (by moles) oxygen. thus, the partial pressure of oxygen in air is less than 1.00 atm. what is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 20 ∘c?

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Chemistry, 25.06.2019 13:30, audreymvarney

Atmospheric pressure is 1.00 atm, but air is only composed of 21.0% (by moles) oxygen. thus, the partial pressure of oxygen in air is less than 1.00 atm. what is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12 ∘c?

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Chemistry, 26.07.2019 21:30, GemJock

He partial pressure of oxygen gas in our atmosphere is 0.21 atm. this is the partial pressure at which human lungs have evolved to be able to breathe this gas. a scuba diver, will thus still have to breath oxygen at this pressure even when diving way down in the water. if a mixture of helium and oxygen (heliox) in his tank is at a pressure of 8.30 atm, what must the partial pressure be of helium to keep the partial pressure of oxygen at 0.21 atm?

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Mathematics, 07.10.2019 23:30, Jc8777

The radius of the base of a cylindrical silo is 28 feet. if the distance from point b to the silo is 53 feet, what is the distance from point b to point a, a point of tangency? a 5.0 l vessel holds 3.0 mol n2, 2.0 mol f2, and 1.0 mol h2 at 273 k. what is the partial pressure of fluorine? at 298 k, you collect 0.5 l of oxygen over water that has a total pressure of 150 kpa. what is the partial pressure of oxygen? (the partial pressure of water vapor at 298 k is 3.6 kpa.) a tank of gas has partial pressures of nitrogen and oxygen equal to 1.61 × 104 kpa and 4.34 × 103 kpa, respectively. what is the total pressure of the tank? remember that (1.0 × 105) + (1.0 × 105) = 2.0 × 105. at a depth of 40 m, the water pressure is 500 kpa. a diver breathing air (78% n2, 21% o2) at this depth would have what partial pressure of oxygen in his lungs?

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