3.1 Diffusion Flashcards

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1
Q

Particles

A

The smallest pieces of which a substance is made; particles can be molecules, atoms or ions

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2
Q

kinetic energy

A

energy of moving objects

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3
Q

diffusion

A

the net movement of particles from a region of their higher concentration to a region of their lower concentration ( i.e down a concentration gradient) as a result of their random movement

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4
Q

net movement

A

overall or average movement

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5
Q

concentration gradient

A

an imaginary ‘slope’ from a high concentration to a low concentration

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