51. Solving a chemistry problem

51. Solving a chemistry problem

5. Plot adsorption and desorption isotherms using the experimental data of capillary condensation of water vapor in active carbon pores at 293 K (options I-III):
p10-2, Pa 5.32 10.0 11.3 12.5 14.7 17.3 20.0 23.3
A, mol/kg
adsorption 0.5 2.3 4.0 5.0 10.0 16.0 20.0 28.5
desorption 0.5 2.5 5.0 7.5 15.0 23.0 27.6 28.5

p10-2, Pa 4.65 9.3 14.0 18.7 20.9 23.3
A, mol/kg
adsorption 0.5 1.5 3.5 20.0 24.0 28.5
desorption 0.5 1.5 13.0 27.0 28.0 28.5

0.1 0.2 0.4 0.6 0.8 0.9 1.0
A, mol/kg
adsorption 6.5 9.0 11.5 14.0 22.5 26.6 30.0
desorption 7.0 10.3 13.5 16.5 25.0 27.6 30.0
Calculate and plot the integral curve of pore volume distribution by size. The molar volume of water is 18 cm3/mol, pressure ps = 2338 Pa, surface tension of water is 71.96 mJ/m2.

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