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# What is partial pressure blending standing for?

Updated: 12/22/2022

Wiki User

14y ago

Partial pressure blending involves mixing gases by filling a cylinder first with one gas, then another (and sometimes followed by a third gas).

Partial pressure blending is one of three ways in which one can mix nitrox: the others being cotinuous flow blending, and nitrogen filtration.

Partial pressure blending of nitrox involves partially filling a cylinder with oxygen, and then topping it up with air.

One can also use partial pressure blending to blend trimix, by partially filling a cylinder with helium, and then either topping it up with nitrox, or adding pure oxygen and then topping it up with air.

Wiki User

14y ago

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Q: What is partial pressure blending standing for?
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1.6 ATM

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To find the partial pressure of water vapor in the vessel, subtract the partial pressure of N2 from the total pressure: Partial pressure of water vapor = Total pressure - Partial pressure of N2 = 2.015 ATM - 1.908 ATM = 0.107 ATM.

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The total pressure inside the tank is the sum of the partial pressures of the gases present. In this case, Total pressure = partial pressure of oxygen + partial pressure of helium = 10 atm + 32.8 atm = 42.8 atm.

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The partial pressure of oxygen is a measure of the pressure exerted by oxygen in a mixture of gases. In atmospheric air at sea level, the partial pressure of oxygen is around 160 mmHg. The partial pressure of oxygen can also be calculated using the equation: partial pressure of oxygen = total pressure of gas mixture * mole fraction of oxygen gas in the mixture.

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