the particle model and motion in gases Flashcards

1
Q

what does the particle model of matter say

A

everything is made up of lots of tiny particles

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2
Q

what are the three states of matter

A

solids
liquid
gas

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3
Q

explain how particles are in solids

A

strong forces hold the particles together
they are in a fixed arrangement
the particles dont have much energy so they can only vibrate in their fixed position

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4
Q

explain how particles are in liquids

A

there are weaker forces if attraction between the particles but they can move past
eachother

they form irregular arrangements

they have more energy than particles in a solid so they move in random directions and speeds

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5
Q

explain how particles are in gases

A

there are almost no forces of attraction between particles

they have more energy than liquids and solids

they are free to move around and constantly going with random directions and speeds

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6
Q

what happens when gas particles collide

A

they exert a force

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7
Q

what happens if you increase the temperature of a gas

A

you transfer energy into kinetic energy store

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8
Q

what is the temp of gas related to

A

The average energy in the kinetic energy stores

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9
Q

What happened to hire the temperature of a gas

A

The higher the temperature the higher the average energy

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10
Q

What happens if you increase the temperature of a gas

A

The average speed of its Particles increase

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