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Homework Statement
Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure above the liquid is 1.10atm, determine the pressure inside a bubble 4.0m below the surface of the liquid.
Image: Think of a cylindrical container with a layer of air at the top. The remaining is filled with ethyl alcohol. 4m below the top of the alcohol is a bubble of air.
Homework Equations
P=P(atm)+pgh
p(ethyl-OH)=.806X10^3kg/m^3
The Attempt at a Solution
So i calculated the pressure of the alcohol 4m below the surface and got 1.3X10^5Pa. However, I'm not sure what to do in order to get the pressure in the bubble.
Suggestions would be appreciated.
thanks
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