Chapter 3: Particle Model of Matter
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Last updated 4:05 PM on 10/26/22
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21 Terms
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flats spots
There are ________ on the heating graph where energy is being transferred but not being used to change the temperature.
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random directions
The particles in a gas are constantly moving with ________ and speeds.
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SLH
Energy is given in joules, mass in kg and ________ in J /kg.
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weaker forces of attraction
Liquids- there are ________ between the particles.
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Particle Model
The ________ can explain Density and the three states of matter.
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Density
________ is a measure of the compactness of a substance.
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Average energy
________ in kinetic stores is related to temperature.
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gases theyre
Particles have more energy than in liquids and ________ free to move and at higher speeds.
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specific latent heat
For cooling, ________ is the energy released by a change in state.
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physical change
A change of state is a(n) ________.
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kinetic energy
A change in state occurs if the substance is heated enough- the particles will have enough energy in their ________ stores to break the bonds holding them together.
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Specific latent heat
________ is the energy needed to change the state of a 1kg matter.
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Density equation
mass / volume
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Internal energy
_________is the energy stored by the particles that make up a system
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solid to liquid
melting
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liquid to solid
freezing
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gas to liquid
condensing
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liquid to gas
evaporating
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solid to gas
sublimating
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Constant equals
pressure x volume
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energy is given in
joules
