Question: very urgent need help A porous solid under a constant drying condition takes 6.5 hours to reduce the moisture contents from 30% to 10%. The

very urgent need help
very urgent need help A porous solid under a constant drying condition

A porous solid under a constant drying condition takes 6.5 hours to reduce the moisture contents from 30% to 10%. The equilibrium moisture content of the solid is 2.5% and the exposed surface area for drying is 8 m2. Determine the total time needed to dry the same porous solid in the same drying condition from moisture contents of 40% to 15%

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