Unit 3 - Particles

 

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3.1  Changes of state and the particle model

 

3.1.1  Density of materials

 

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3.1.2  Changes of state

 

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3.2  Internal energy and energy transfers

 

3.2.1  Internal energy

 

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3.2.2  Temperature changes in a system and specific heat capacity

 

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3.2.3  Changes of heat and specific latent heat

 

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3.3  Particle model and pressure

 

3.3.1  Particle motion in a gas

 

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3.3.2  Pressure in gases

 

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3.3.3  Increasing the pressure of a gas (physics only)

 

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