REG.10
EKWEI LING,JOLENE
3B1
THERMAL PHYSICS.
Chapters
SEVEN ,EIGHT, NINE




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CHAPTER 7 ;
KINETIC MODEL OF MATTER.

1. Matter is what makes up all substances.


2. It is the molecules and atoms that make up chemical substances.


3. Protons and electrons are examples of matter.


4. & in conclusion, Matter is anything that has mass and occupies space.

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Properties of Solids, Liquids & Gases:

SOLIDS

1. Fixed shape and volume.


2. High in density.
   
3. Incompressible.

LIQUIDS

1. Fixed volume.


2. NO fixed shape.
   
3. High in density.


4. Incompressible.

GASES

1. NO fixed shape & volume.
   
2. Low in density.
   
3. Compressible.

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Kinetic model of matter:

SOLID STATE:

1. Closely packed; thus, high in density.


2. Vibrate about their fixed positions that are held by strong intermolecular bonds; thus, fixed shapes & volumes.

LIQUID STATE:

1. Randomly arranged; thus high in density.


2. Move freely but within vessels that have forces between particles; thus, fixed volumes but NO fixed shapes.
   

GASEOUS STATE:

1. Far apart from each other. randomly arranged & occupies any space; thus, low in density.


2. Very little force between particles & moves randomly at high speed; thus, NO fixed shapes & volumes and resulting in having high compression.

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Brownian motion
It is a random movement of particles suspended in a liquid or gas.

When room temperature increases, these particles move faster and more vigorously in movement.
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VIDEOS!
SOLID, LIQUID, GAS.

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This marks the end of Chapter 7 ;
KINETIC MODEL OF MATTER.(:
(officially started at 2:43PM and ended at 4:41PM)

with truckloads of love ♥