chapter 3: solids, liquids, and gases
DESCRIPTION
CHAPTER 3: Solids, Liquids, and Gases. By: Lizza V., Isabella G., Enrique K., Chelsea A. Melting. Vaporization. Liquid. GAS. Solid. Boiling Point. Melting Point. Condensation. Freezing. Sublimation. Deposition. Types of Solids:. - PowerPoint PPT PresentationTRANSCRIPT
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CHAPTER 3: SOLIDS,
LIQUIDS, AND GASES
By: Lizza V., Isabella G., Enrique K., Chelsea A.
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State of Matter Shape Volume
Example at Room
Temperature
GAS definite definite oxygen
Liquid indefinite definite water
Solid indefinite indefinite diamond
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Type of Matter Shape Volume
Particle Arrangement How
Solids definite definite
packed closely together,fixed in on position
particles vibrate in place
Liquids definite definitepacked closely together, move freely
particles move freely
Gases indefinite indefinitenot packed together, move freely.
particles move freely
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SOLID LIQUID GAS
Crystallinesurface tension evaporation
Amorphous viscosity boiling
fluid fluid
PARTICLES fixed move freely move freely
closely
together close far apart
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SolidLiquid GASMelting
PointBoiling Point
Melting Vaporization
Freezing Condensation
Sublimation
Deposition
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TYPES OF SOLIDS:CRYSTALLINE SOLIDS- solids made up of crystals like salt, sugar, and snow. They have a regular, repeating pattern.
AMORPHOUS SOLIDS- the particles of a solid are not arranged in a pattern. Examples are plastic, rubber, and glass.
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MELTING:Occurs at a specific temperature called the MELTING POINT. Melting point of water is 0
degrees Celsius. At it melting point particles of a solid substance are vibrating so fast that they break
free from their fixed positions.
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FREEZING:It is the reverse of melting. At its freezing temperature the particles of a liquid are moving so slowly that they begin to
form regular patterns.
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VAPORIZATION:It takes place when the particles in a liquid gain enough energy to form a
gas. There are two main types of Vaporization: EVAPORATION and BOILING.EVAPORATION- vaporization that takes place only on the surface of a
liquid.BOILING- occurs when a liquid changes to a gas below its surface, as well as at the surface. Temperature at which a liquid boils is called the BOILING
POINT.
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CONDENSATION:It is the opposite of vaporization. It occurs when
the particles in a gas lose enough thermal energy to form a liquid.
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SUBLIMATION:It occurs when the surface particles of a
solid gain enough energy that they form a gas. During this process, particles of a solid do not pass through the liquid state as they
form a gas.
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PRESSURE AND VOLUME:
Boyle found that when the pressure of a gas at constant temperature is increased, the volume of the gas decreases. When the pressure is decreased, the volume increases.
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PRESSUREThe pressure of a gas is the force of its outward
push divided by the area of the walls of the
container.
Pressure=Force/Area
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PRESSURE AND TEMPERATURE:When the temperature of a gas at constant volume is increased, the pressure of the gas increases. When the temperature is decreased, the pressure of the gas decreases.
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VOLUME AND TEMPERATURE:
Charles found that when the temperature of a gas is increased at constant pressure, its volume increases. When the temperature of a gas is decreased at constant pressure, its volume decreases.
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RELATIONSHIP CONSTANCEPRESSURE &
VOLUMEBoyle´s
Law Inverse TP
V
P V
PRESSURE & TEMPERATURE
Direct V P T
P TVOLUME &
TEMPERATURECharles´s
Law Direct P V T
V T
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CHARLES´S GRAPH
The graph of Charles´s law shows that the volume of
a gas is directly proportional to its Kelvin
temperature under constant pressure.
This graph is DIRECTLY PROPORTIONAL, a
graph of two variables that has a straight line passing through the
origin.
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BOYLE´S LAW
The graph for Boyle´s law shows that the pressure
of a gas varies inversely with its
volume at constant
temperature. This graph is said to
VARY INVERSELY, having two
variables that form a kind of curve.