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11 Nov 2019
Absorption of N2 on a porous materials at 220 K gave the following data. Determine the specific surface area. Additional information: Density of nitrogen gas at 220 K is 1.125 kg m3, Nitrogen molecule cross section is 16 A2. P,Pa Volume adsorbed, V, 10s m3 kg 1 1870 6100 18000 33000 70000 14 23 32 41 Vo 1+KP 0.25 v."Density (N2)=mass(N2) (g g-1) Mass(N2)/Mr(N2)=n(N2) (mol g-1) SSAEn(N2)'Na Cross-section (m2 g) 02 y 3.33*10x+ 208.5 0.15 : 0.1 0.05 0.001 0,0020,00 ,0 0.0005 000 Answer:18.56 m2 g-1 1/P
Absorption of N2 on a porous materials at 220 K gave the following data. Determine the specific surface area. Additional information: Density of nitrogen gas at 220 K is 1.125 kg m3, Nitrogen molecule cross section is 16 A2. P,Pa Volume adsorbed, V, 10s m3 kg 1 1870 6100 18000 33000 70000 14 23 32 41 Vo 1+KP 0.25 v."Density (N2)=mass(N2) (g g-1) Mass(N2)/Mr(N2)=n(N2) (mol g-1) SSAEn(N2)'Na Cross-section (m2 g) 02 y 3.33*10x+ 208.5 0.15 : 0.1 0.05 0.001 0,0020,00 ,0 0.0005 000 Answer:18.56 m2 g-1 1/P
Hubert KochLv2
18 Sep 2019