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16.99 For N2 adsorbed on a certain sample of ZnO powder at 77K, adsorbed volumes (recalculated to 0C and 1atm ) per gram of ZnO

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16.99 For N2 adsorbed on a certain sample of ZnO powder at 77K, adsorbed volumes (recalculated to 0C and 1atm ) per gram of ZnO vs. N2 pressure are The normal boiling point of N2 is 77K. (a) Plot v versus P and decide whether the Langmuir or the BET equation is more appropriate. (b) Use the equation you decided on in (a) to find the volume vmon needed to form a monolayer; also find the other constant in the isotherm equation. (c) Assume that an adsorbed N2 molecule occupies an area of 16A2 and calculate the surface area of 1.00g of the ZnO powder. 16.99 For N2 adsorbed on a certain sample of ZnO powder at 77K, adsorbed volumes (recalculated to 0C and 1atm ) per gram of ZnO vs. N2 pressure are The normal boiling point of N2 is 77K. (a) Plot v versus P and decide whether the Langmuir or the BET equation is more appropriate. (b) Use the equation you decided on in (a) to find the volume vmon needed to form a monolayer; also find the other constant in the isotherm equation. (c) Assume that an adsorbed N2 molecule occupies an area of 16A2 and calculate the surface area of 1.00g of the ZnO powder

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