Question

The evaporation of a 130 −nm−nm film of nn-pentane from a single crystal of aluminum oxide was found to be zero order with a rate constant of 1.92×1013molecules/cm2⋅s1.92×1013molecules/cm2⋅s at 120 KK.

If the initial surface coverage is 8.8×10¹⁶ molecules/cm2molecules/cm2 , how long will it take for one-half of the film to evaporate?

What fraction of the film will be left after 10 ss ? Assume the same initial coverage as in part A.

Answer 1

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