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ibnuts

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*At 80.0m below the surface of the sea (density = 1.025g/cm3) where the temperature is 5.0°C, a diver exhales an air bubble having a volume of 1.00cm3.*

If the surface temperature of the sea is 20.0°C, what is the volume of the bubble just before it breaks the surface? [in]cm3

If the surface temperature of the sea is 20.0°C, what is the volume of the bubble just before it breaks the surface? [in]cm3

We've tried using PV=nRT and setting PiVi/Ti=PfVf/Tf and solving for Vf (using pressure formula Pressure at sea level+(density*g*depth) to find the pressure at 80.0m and then using atmospheric pressure for Pf, but to no avail.

Perhaps someone can tell us what to do and/or give an answer to check against all that we got?

Thanks.