chemistry mrs. algier do now: explain the difference between an intensive and an extensive property
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Matter Classification Matter Mixture SubstanceTRANSCRIPT
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Chemistry
Mrs. Algier
Do Now: Explain the difference between an intensive and an extensive property.
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YWBAT
• Distinguish between a substance and a mixture.
• Differentiate between heterogeneous and homogeneous mixtures
• Explain how mixtures can be separated
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Matter ClassificationMatter
Mixture Substance
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Mixtures
• Mixture – a physical blend of two or more components
• Examples?
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Mixtures
• Mixture – a physical blend of two or more components
• Examples– Salad– Chocolate chip cookie– Coffee with milk and sugar– Gasoline– Air
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Matter ClassificationMatter
Mixture Substance
Heterogeneous Homogeneous
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Heterogeneous Mixtures
• Heterogeneous Mixture – a mixture in which the composition is not uniform throughout.
• Examples– Salad– Chocolate chip cookie– Chicken noodle soup
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Homogeneous Mixtures
• Homogeneous Mixture – a mixture in which the composition is uniform throughout.
• Another name for a homogeneous mixture is a solution.
• Examples– Vinegar– Air
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Phase
• Phase– any part of a sample with uniform composition and properties.
• Homogeneous Mixtures – 1 phase• Heterogeneous Mixtures – 2 or more phases
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Separating Mixtures
• Differences in physical properties can be used to separate mixtures
• Methods– Filtration – separates a solid from a liquid– Distillation – separates liquids based on boiling pt.– Magnetism
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Filtration
• Filtration – the process that separates a solid from a liquid in a heterogeneous mixture
– Filter paper is placed in a funnel.– The mixture is poured into the funnel.– Solid particles that cannot pass through the filter
remain in the funnel.– The rest of the particles pass through.
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Distillation
• Distillation – process which separates mixtures of liquids with different boiling points
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Demonstration
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Matter ClassificationMatter
Mixture Substance
Heterogeneous Homogeneous
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Matter ClassificationMatter
Mixture Substance
Heterogeneous Homogeneous Element Compound
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YWBAT - Review
• Distinguish between a substance and a mixture.
• Differentiate between heterogeneous and homogeneous mixtures
• Explain how mixtures can be separated