1. States of Matter Flashcards

1
Q

Describe particles in a solid [1]

A

Particles only vibrate about fixed positions, regular structure

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2
Q

Describe particles in a liquid [1]

A

Particles can move around each other, collide often

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3
Q

Describe particles in a gas [1]

A

Particles more freely and at random in all directions, collide less often than in a liquid

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4
Q

Explain what happens to the temperature during melting [1]

A

The temperature stays constant as energy is used to weaken the intermolecular forces and change the substance from a solid to a liquid

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5
Q

Explain what happens to the temperature during boiling [1]

A

The temperature stays constant as energy is used to break the intermolecular forces and change the substance from a liquid to a gas

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6
Q

Describe diffusion [1]

A

The process by which different substances mix as a result of the random motions of their particles

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7
Q

Explain the factors that affect diffusion [2]

A

The higher the temperature the faster the rate of diffusion. The greater the molecular mass the slower the rate of diffusion.

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