Dissolved substances Flashcards by Grace Hosking

Q

How can dissolved substances move?

A

By diffusion.

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Q

Diffusion?

A

The spreading out of particles from a high concentration to a low concentration.

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Q

When does diffusion happen?

A

In gases and solutions.

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Q

How does the rate of diffusion increase?

A

The greater the difference in concentration.

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Q

How does oxygen move in and out of a cell?

A

By diffusion.

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