Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 28 Jan 2018 My Price 4.00

old-fashioned glass apothecary jar

An old-fashioned glass apothecary jar contains a patent medicine. The neck is closed with a rubber stopper that is 20 mm tall, with a diameter of 10 mm at the bottom end, widening to 20 mm at the top end. The molar concentration of medicine vapor in the stopper is 2 × 10-3 kmol/m-3 at the bottom surface and is negligible at the top surface. If the mass diffusivity of medicine vapor in rubber is 0.2 × 10-9 m2 /s, find the rate (kmol/s) at which vapor exits through the stopper.

 

 

 
 

Answers

Maurice Tutor
(5)
Status NEW Posted 28 Jan 2018 10:01 PM My Price 4.00

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