51. Solving a chemistry problem

51. Solving a chemistry problem

4. When measuring adsorption of gaseous nitrogen on an active angle at 194.4 K, the following data were obtained:
p*10-3, PA 1.86 6.12 17.96 33.65 68.89
A*103, m3/kg 5.06 14.27 23.61 32.56 40.83
The values of A are given for nitrogen under normal conditions.
Calculate the constant in the equation of Langmur and the specific surface of active coal, taking the density of the gaseous nitrogen equal to 1.25 kg/m3, and the area occupied by one molecule of nitrogen on the surface of the adsorbent equal to 0.16 NM2.

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