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28. Adsorpcija nekog gasa se može opisati Langmirovomizotermom u kojoj je koeficijent adsorpcije K=0,85kPa -1 na 25 o C.Izračunati ptirisak pri kome će zaposednutost površine biti: a)0,15 i b) 0,95.<strong>Rešenje</strong>:θ =KP ⎛ θ ⎞P = ⎜ ⎟11+KP ⎝1−θ⎠ KP = 0,15 10, 21kPa0,85⋅10,85kPa= −P = 0,95 122, kPa0,05⋅ 0,85kPa= 4−1

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