94. Solving a chemistry problem
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94. Solving a chemistry problem
62. What is a stalagmometer? According to the stalagmometric study, the surface tension of ethyl alcohol at 25 C, if the number of drops of water is 29, and alcohol is 76; the volume of the substances is the same, the density of alcohol is 790 kg/cm3. Explain the difference in the values of surface tension for water and ethyl alcohol. Find the temperature coefficient dб/dT for ethyl alcohol, using the reference tables in the appendix.
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