The following data were obtained in a BET apparatus for adsorption equilibrium of nitrogen on silica gel
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The following data were obtained in a BET apparatus for adsorption equilibrium of nitrogen on silica gel (SG) at -195.8°C. Estimate the specific surface area in m2/g of silica gel. How does your value compare with that in Table15.2?
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N2 Partial Pressure, torr Volume of N2 Adsorbed in cm (0°C, 1 atm) per gram SG 6.0 6.1 24.8 12.7 140.3 17.0 19.7 230.3 285.1 21.5 23.0 320.3 430 27.7 33.5 505
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From Eq 156 where P total pressure partial pressure of N 2 in the ab...View the full answer
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