_ is how much of a substance diffuses from point A to B in a given amount of time as defined by _’s law
flux, fick
The term that fits in the blank is “Diffusion,” and the law that defines it is “Fick’s Law of Diffusion.”
Fick’s Law of Diffusion states that the rate of diffusion of a substance equals the gradient of the concentration of the substance, multiplied by the conductivity, which describes the characteristics of the medium through which the substance moves. In simpler terms, the law explains how molecules of a substance move from a region of higher concentration to a region of lower concentration in a given amount of time. The rate of diffusion increases with an increase in the concentration gradient of the substance and the medium’s permeability. Conversely, the rate of diffusion decreases with an increase in the size of the substance and the medium’s resistance to the substance.
Overall, Fick’s Law of Diffusion is significant in many areas of science, including biology, chemistry, and physics, as it helps to understand how molecules move through different mediums, including biological membranes.
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