C1.6 - Diffusion Flashcards

1
Q

What is meant by equilibrium?

A

Evenly spread

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2
Q

What is meant by a low concentration?

A

An area that contains few particles.

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3
Q

Big particles will diffuse more ______ than smaller particles.

A

slowly

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4
Q

High temperatures cause diffusion to happen…

A

faster

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5
Q

What is the definition of diffusion?

A

The net movement of particles from a high concentration to a low concentration until they are at equilibrium.

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6
Q

Low temperatures cause diffusion to happen…

A

slowly

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7
Q

What is meant by a high concentration?

A

An area that contains many particles.

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8
Q

Why can diffusion not happen in solids?

A

Because the particles in a solid are fixed in position.

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9
Q

Substances in which states can diffuse?

A

Liquids and gases - because their particles can move around.

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10
Q

What is meant by the net movement of particles?

A

The overall direction that particles move in.

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11
Q

What can affect the speed (rate) of diffusion?

A
  1. Temperature
  2. Particle size
  3. The state of the substance
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