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matter

QuestionAnswer
A. Properties of Liquids: closely packed particles cause matter to have a definite shape and definite volume. A. Types of Solids:
Crystalline solids : particles form a regular repeating pattern called crystals. Example: salt, sugar, and snow.
Solid: Amorphous solids: particles not arranged in a repeating pattern. Example: Glass, plastic, and rubber.
Liquid: particles are free to move so a liquid has a definite volume but no definite shape.
Surface Tension: An inward force, or pull among the molecules in a liquid that brings the molecules on the surface closer together.
Viscosity: A liquid's resistance to flowing. Example: Honey has a high viscosity.
Gas: particles are able to move and spread out filling all space available, thus gases have no definite shape or definite volume. Pressure: gas particles constantly collide with one another and the walls of their container.
Pressure is the outward push divided by the area of the walls of the container. Pressure= Force/Area.
Temperature: the higher the temperature the faster particles move.
Charles’s Law: When the temperature of a gas at a constant pressure is increased the volume is increased, if the temperature is decreased then the volume is decreased.
Boyle's Law: Directly proportional: as one amount increases, another amount increases at the same rate.
constant pressure When the pressure of a gas at a constant temperature is increased the volume decreases, if the temperature is decreased then the volume is increased.
Melting When a solid changes to a liquid
Melting point: the temperature at which a substance melts.
:Freezing: When a liquid changes to a solid
Freezing point: the temperature when a substance freezes.
Vaporization: When a liquid changes to a gas
Evaporation: takes place only on the surface of the liquid.
Boiling: When vaporization occurs both below the and at the surface.
Boiling Point: Temperature at which a liquid boils.
Condensation: When a gas changes to a liquid.
Sublimation: When a substance changes straight from a solid to a gas
Inversely proportional: When the value of one variable increases, the other decreases.
Created by: user-2006772
 

 



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