Diffusion Flashcards
1
Q
The fick’s law of diffusion gives the rate of diffusion based on
A
concentration driving force
2
Q
In steady-state equimolar counterdiffusion,
A
NA = -NB; NA+NB = 0
3
Q
The enrichment of ethyl alcohol in the vapor phase from an aqueous ethyl alcohol solution during rectification is an example of
A
Equimolar counterdiffusion
4
Q
Ammonia being absorbed from air into water is an example of
A
Steady State Uicomponent Diffusion
5
Q
For a gas phase, unicomponent diffusion through a gas-liquid interface will likely occur if
A
one component is soluble and the other is not
6
Q
Molecular Diffusivity of a liquid
A
Increases with temperature
7
Q
It represents the total mass transferred to mass transferred by molecular diffusion
A
Sherwood number
8
Q
Rate of mass transfer in liquid
A
NA=Kc(CA2-CA1)
