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- Matter

- Matter. Properties & Changes in Matter Extensive vs. Intensive Physical vs. Chemical. A. Extensive vs. Intensive. Extensive Property depends on the amount of matter present Intensive Property depends on the identity of substance, not the amount. A. Extensive vs. Intensive. Examples:

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- Matter

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  1. - Matter Properties & Changes in Matter Extensive vs. Intensive Physical vs. Chemical

  2. A. Extensive vs. Intensive • Extensive Property • depends on the amount of matter present • Intensive Property • depends on the identity of substance, not the amount

  3. A. Extensive vs. Intensive • Examples: • boiling point • volume • mass • density • conductivity intensive extensive extensive intensive intensive

  4. B. Physical vs. Chemical • Physical Property • can be observed without changing the identity of the substance • Chemical Property • describes the ability of a substance to undergo changes in identity

  5. B. Physical vs. Chemical • Examples: • melting point • flammable • density • magnetic • tarnishes in air physical chemical physical physical chemical

  6. B. Physical vs. Chemical • Physical Change • changes the form of a substance without changing its identity • properties remain the same • Chemical Change • changes that identity a substance • products have different properties

  7. B. Physical vs. Chemical • Signs of a Chemical Change • change in color or odor • formation of a gas • formation of a precipitate (solid) • change in light or heat

  8. B. Physical vs. Chemical • Examples: • rusting iron • dissolving in water • burning a log • melting ice • grinding spices chemical physical chemical physical physical

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