1.

Whatis the excess pressure inside a bubble of soap solution of radius5.00 mm, given that the surface tension of soap solution at thetemperature (20 °C) is 2.50 × 10–2N m–1?If an air bubble of the same dimension were formed at depth of 40.0cm inside a container containing the soap solution (of relativedensity 1.20), what would be the pressure inside the bubble? (1atmospheric pressure is 1.01 × 105Pa).

Answer»

What
is the excess pressure inside a bubble of soap solution of radius
5.00 mm, given that the surface tension of soap solution at the
temperature (20 °C) is 2.50 × 10–2
N m–1?
If an air bubble of the same dimension were formed at depth of 40.0
cm inside a container containing the soap solution (of relative
density 1.20), what would be the pressure inside the bubble? (1
atmospheric pressure is 1.01 × 105
Pa).



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