What is Fick’s law?
What will be an ideal response?
Fick’s law is the empirical statement or equation that relates the rate of
diffusion, molar flow, or mass flow of a substance from one location to another
in a mixture. The equation states that the rate of diffusion is equal to the
negative concentration gradient (or density gradient) of that substance times
the area across which the flow occurs times the substances density at that
position times the mass diffusivity.
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Constructive interference of two coherent waves will occur if the path difference is
A) 3/4 ?. B) 6/2 ?. C) 3/2 ?. D) 1/4 ?. E) 6/4 ?.
The nucleus of a hydrogen atom, a proton, sets up an electric field. The distance between the proton and electron is about 5.1 × 10^?11 m. What is the magnitude of the electric field at this distance from the proton? [The charge on the proton is +1.6 × 10^?19 C.]
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Indicate whether the statement is true or false
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