________ (I) is number of particles that pass within a given time.
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Diffusion
________ is faster in low viscosity media than in high viscosity media.
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Average distance
________ (R) is proportional to the square root of Diffusion coefficient (D) × time.
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Matter flow density
________ (J) is amount of particles with time divided by area (A)
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gas exchange
In ________ between lungs and bloodstream, oxygen and nutrient transport to tissues and cells from bloodstream, waste products of metabolism is transported to the blood.
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Particle properties
________ determining diffusion coefficient.
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constant motion
A container split into two parts, the molecules in both sides are in ________ and collide with themselves and the wall of the container.
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Ficks 1st law matter flow density
________ is linearly proportional to concentration and diffusion gradient.
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spherical particles
In ________, environmental factors relate with the diffusion coefficient.
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higher concentration
The particles move from a solution of ________ to lower concentration till we achieve a homogeneous distribution.
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Diffusion
________ is the movement of particles from an area of higher concentration to an area of lower concentration over time by random thermal motion.
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diffusion
It indicates that ________ is faster for smaller particles.
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Example
gaseous exchange between the blood and the lungs; for CO2 R is 1micrometer, D is 1.2 × 10^-8 time is about 0.5s
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Stokes
D = 𝑘/6𝜋 × 𝑇/𝜂𝑟
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Relationship between diffusion time and mean displacement
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Flashcard (42)