141. Solving a chemistry problem
Calculate the radius of the capillaries in which capillary condensation of water occurs on activated carbon at a relative equilibrium pressure of 0.8. Saturated water vapor pressure Ps = 2.34 * 103n / m2, molar volume of water Vm = 1.8 * 10-2 m3 / kmol, surface tension 72.75 * 10-3 j / m2. T = 303 K.
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