Matter Classification Matter Flowchart Pure Substances Mixtures.
What is matter? What are the states of matter? What changes occur to matter? What are mixtures and...
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Transcript of What is matter? What are the states of matter? What changes occur to matter? What are mixtures and...
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What is matter? What are the states of matter? What
changes occur to matter? What are mixtures and the different types? How do we
separate mixtures?
Matter, Mixtures and Solutions
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What is matter?Matter is defined as:
Anything that has mass and takes up space
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States of MatterSolid
Definite ShapeDefinite Volume
LiquidIndefinite ShapeDefinite Volume
GasIndefinite ShapeIndefinite Volume
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Physical Propertycharacteristic that can be observed or measured without changing the sample's compositionExamples:ColorMassTexture
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Extensive vs. Intensive PropertiesExtensive Properties:
dependent on the amount of substance presentExample: mass
Intensive Properties:independent on the amount of substance presentExample: color
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Physical Changea change that alters a substance without changing its compositionClassic examples: Phase changesPhase change is a change from one state of matter to another
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Phase ChangesSolid to LiquidLiquid to SolidLiquid to GasGas to LiquidSolid to Gas
Melting
Freezing Evaporation Condensation
Sublimation
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Chemical Property/Chemical ChangeThe ability of a substance to combine with or change into one or more other substancesA reaction: one or more substances changing into new substances
Examples: rusting, exploding, baking
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MixtureA combination of two or more pure substancesTwo types
HeterogeneousHomogenous
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Heterogeneous Mixturesone that does not blend smoothly and in which the individual substances remain distinct
Examples: Chex Mix, Oil and Water, Chicken Noodle Soup, etc.
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EXAMPLES
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Homogeneous Mixturesalso called solutions; mixtures that have a constant composition throughout and is always a single phaseExamples: brewed coffee, blood, salt water (if fully dissolved), etc.
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EXAMPLES
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How to Separate MixturesFiltration
using a porous barrier to separate solid from liquid
Two solids of different sizes can be separated using a similar technique called sifting
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How to Separate MixturesDistillation
separating two substances with different boiling points
Evaporation is similar to distillationExample: When you boil off water and salt is left behind
Magnetismseparating particles based on magnetic properties
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Tomorrow/Thursday’s LabCome up with a procedure to separate a heterogeneous mixture of the following:SandSaltIron FilingsPoppy Seeds