104. Solving a chemistry problem
From the stalagmometer at 24 C, water was first released, then ethanol. The number of drops was 29 and 79, respectively. The surface tension e of ethanol will decrease or increase and how many times if the temperature is raised to 60 C ( σalcohol = 18.43*10-3 N/m); ralcohol \u003d 0.79g / l)?
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