Posted by **Anonymous** on Saturday, November 17, 2012 at 8:54pm.

At room temperature, the surface tension of water is 72.0 mJ·m^–2. What is the energy required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drops of equal size? The surface area of a sphere of radius r is 4πr^2 and the volume is 4πr^3/3.

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