The surface tension of pure water is 72 dyne/cm at 20C. You are provided with two...

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Chemistry

The surface tension of pure water is 72 dyne/cm at 20C. You areprovided with two surfactants, A and B. A 1% solution of surfactantA reduced the surface tension of water to 35 dynes/cm and a 1%solution of surfactant B reduces the surface tension to 44.5dynes/cm. Now, let's assume that you are making two foams usingsurfactants A and B. The total interfacial area of the foam in bothcases is 600 cm^2. What is the interfacial energy differencebetween these two foams? Which one will be more stable?

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