Posted by : Unknown Minggu, 11 Maret 2012


Properties and States Of Matter


                             http://fitz6.files.wordpress.com/2012/02/statesofmatter.gif




Matter can be classified into 1. Solid 2. Liquid 3. Gas
States Of Matter Properties
No.
States Of Matter
Volume
Shape
1.
Solid
Fixed
Fixed
2.
Liquid
Fixed
Changed
3.
Gas
Changed
Changed
Solid to Liquid = Melting
Solid to Gas     = Sublimating
Liquid to Solid = Freezing
Liquid to Gas   = Evaporating
Gas to Solid     = Sublimating
Gas to Liquid   = Condensating
Particles Of Matter
Matter consist of tiny part called Particles. Particle cannot be seen by naked eyes.
The Properties of particles are :
1.      Particles are not idle, they always vibrate.
2.      There are attractive force between particles.
3.      There are free space between particles which are known as pores.
The Particles Characteristics Of Matter
No
Particle Characteristics
Solid
Liquid
Gas
1.
Particle Movement
Rigid
Rapid
Very Rapid
2.
Particle Position
Dense
Loose
Very Loose
3.
Attractive Forced
Strong
Weak
Very Weak
4.
Free Space Between Particles
Slight
Spacious
Very Spacious

Cohesion and Adhesion
Those force may be classified as Cohesion and Adhesion. Cohesion is the tedency of certain similar particles to cling together due to attractive force. Adhesion is tedency of certain dissimilar particles to cling together due to attractive force.
1.      Concave Meniscus and Convex Meniscus
The water’s surface is curving upward and its wets the tube wall because the attractive force among the waters particles is smaller than the attractive force between the water’s particles and the tube wall (Cohesion smaller than Adhesion).
The Mercury’s face is curving downward and doesn’t wets the tube wall because the attractive force among the mercury’s particles is greater than the attractive force between mercury’s particles ang the tube wall (Cohesion is greater than Adhesion).
The upward curve of liquid’s surface is called concave meniscus, while the downward curve is called convex meniscus. 
Capilarity
Capilarity is the rising of liquid up or down in a capilarity tube.


Density
1.    Density as a Characteristics of Matter
Density is defined matematically as :  p = M/V
With :   P  = Density (Kg/m3)
            M = Object mass (KG or G)
            V  = Object’s volume (m3 or cm3)



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