As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.66atm and a temperature of 25.0 \rm ^\circ C, what is the solubility of \rm N_2 in a diver's blood? [Use the value of the Henry's law constant k calculated in Part A, \rm 6.26\times 10^{-4}Assume that the composition of the air in the tank is the same as on land and that all of the dissolved nitrogen remains in the blood.

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Collen VonLv2

2 Mar 2019

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As a scuba diver descends under water, the pressure increases. At atotal air pressure of 2.51atmand a temperature of 25.0 ?C,what is the solubility of N2in a diver's blood? [Use the value of the Henry's lawconstant k calculated in Part A, 6.26

Part #1:

Which of the following would DECREASE the amount of gas dissolved in your tank?

A) Increase the air pressure above the tank

B) Decrease the Temperature

C) Increase the Temperature

Part #2:

At a particular temperature, you determine that in 50.4 L of water, 0.703 grams of N2 gas are dissolved. You measure the pressure above the tank to be 0.771 atm. Assuming the maximum amount of gas has been dissolved, calculate the Henry's Law constant in the units of mol/(L*atm). Assume that there is ONLY nitrogen in the air above the tank.

Part #3:

You determine that at room temperature (25 oC) the Henryâs Law constant of O2 gas is 1.3 * 10-3 mol/(L*atm). If you have a 50.4 L of water in your fish tank, and the air pressure is 0.771 atm in the room, how many grams of O2 gas could be dissolved? (enter the number only, without units)

A scuba diver that ascends to the surface too quickly can experience decompression sickness, which occurs when nitrogen that dissolves in the blood under high pressure, forms bubbles as the pressure decreases during the ascent. Therefore an understanding of the gas laws is an important part of a scuba diver\'s training. In fresh water the pressure increases by 1 atm every 34 ft below the water surface a diver descends. If a diver ascends quickly to the surface from a depth of 34 ft without exhaling, by what factor will the volume of the diver\'s lungs change upon arrival at the surface? Assume the atmospheric pressure at the surface of the water is 1 atm.