41. Solving a chemistry problem

41. Solving a chemistry problem

91 In what cases is adsorption described by the theory of capillary condensation? . Construct an adsorption-desorption isotherm using the experimental data of capillary condensation of water vapor in the pores of active carbon at 293 K.

p kPa 0.47 0.93 1.40 1.87 2.1 2.3
A, mol/kg ads. 0.5 1.5 3.5 20.0 24.0 28.5
A, mol/kg des. 0.5 1.5 13.0 27.0 28.0 28.5
What areas can be distinguished on this isotherm? Explain the course of the curve.

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