The law that describes the diffusion of a gas across a semipermeable membrane is _____ law

a. Fick's c. Graham's
b. Henry's d. Charles'

ANS: A
Fick's law represents the flow of gases across semipermeable membranes. Henry's law explains the relationship of a gas and a liquid in a combined space. Graham's law involves the relationship of multiple gases placed under the same temperature and pressure, and Charles' law states that the volume of gas varies directly with changes in temperature.