Calculate the partial pressure of nitrogen at 63.6 metres depth of water.
Question
Calculate the partial pressure of nitrogen at 63.6 metres depth of water.
Solution
Sure, to calculate the partial pressure of nitrogen at a certain depth, we need to follow these steps:
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Calculate the total pressure at the given depth. The pressure increases by 1 atmosphere for every 10 meters of water depth. So at 63.6 meters, the pressure is 1 atm (at sea level) + 6.36 atm (from the water) = 7.36 atm.
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Nitrogen makes up about 78% of the air we breathe. So to find the partial pressure of nitrogen, we multiply the total pressure by the fraction that is nitrogen: 7.36 atm * 0.78 = 5.74 atm.
So the partial pressure of nitrogen at 63.6 meters depth is approximately 5.74 atm.
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