38. Solving a chemistry problem

38. Solving a chemistry problem

5. The amount V of nitrogen (273 K and 1.01 * 105 Pa) adsorbed by 1 g of coal at 273 K and various pressures is as follows:
P*10–3, Pa 1.7 5.3 17.3 30.7 44.5
V *106, m3/kg 0.3 0.9 3.0 5.1 6.9
Plot the adsorption isotherm V = f (P) and p/V = f (P); describe the adsorption isotherm using the Langmuir equation; determine the amount of adsorption (m3/g) at the maximum filling of the adsorbent; determine the degree of filling of the adsorbent at a pressure of 10 * 104 Pa; determine at what gas pressure the degree of filling of the adsorbent will be 0.3.

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