Acell membrane consists of an inner and outer wall separated by a distance of approximately 10nm. assume that the walls act like a parallel plate capacitor

Gas will most likely  fill the container 

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.