Question

The pressure of sea water increases by 1.0 atm. For each 10cm increased in the depth. By what percentage is the density of water increased in the deapeth ocean of about 12cm ? Compressibility of water =5.0×10^-5atm

Answer 1

Explanation:

Here is a plot of density of water at different pressures and temperatures, copied from: Density of Liquids versus change in Pressure and Temperature

The highest curve on the plot is at a pressure of 200 bar, which corresponds to a depth of about 2000 m. You can see that the density has increased from 1000 kg/m 3 to about 1010 kg/m 3 . That’s about 1% increase for a depth of 2 km. For 10 km, the increase would be about 5%. For 12 km, which you asked about, it would be about 6%. But we are extrapolating here quite a bit. I’m not sure it would be linear all the way.

Answer 2

Explanation:

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