146. Solving a chemistry problem

146. Solving a chemistry problem

Calculate the surface tension of glycerin if it rose to a height h = 26.8 • 10-3 m in a capillary with a radius r = 0.4 • 10-3 m; The density of glycerin (at T = 298 K) is ρ = 1.26 • 103 kg / m3.

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