Mass Transfer!

Which of these would be appropriate units for the diffusivity of A into B?

• m/s

• m²/s

• 1/s

• kg-mol/m³

Which of these variables represents dimensionless position?

• Y

• X

• n

• m

Which of these variables represents dimensionless time?

• Y

• X

• m

• n

Which of these variables represents dimensionless concentration?

• Y

• X

• n

• m

The lowercase Greek letter mu may be used to represent which of the following (choose as many as apply)?

• density

• viscosity

• chemical potential

• diffusivity

• flux

Which of the following could be the units of a rate constant?

• 1/s

• m/s

• m²/s

• 1/s²

(e^x-e^-x)/2 is the definition of which trigonometric function?

• cosh x

• tanh x

• sinh x

• sin^-1 x

D_AM is used to describe the diffusivity of species A in what?

• Dr. Martin

• Mass Transfer

• a membrane

• species M

Ethan D. Smith interviewed which ChE professor for Episodes 10 and 11 of Life, Experienced Podcast?

• Richey Davis

• William Ducker

• Preston Durrill

• Y. A. Liu

Approximately how long does Google Maps say it takes to walk from Litton-Reaves Hall to Goodwin Hall?

• 15 minutes

• 17 minutes

• 19 minutes

• 25 minutes