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Slide 1 of 21 Chemistry2.2
© Copyright Pearson Prentice Hall Slide 2 of 21 Mixtures Panning is one way to separate gold from a mixture of gold and materials such as sand or gravel. A pan containing the mixture is placed underwater and shaken vigorously from left to right. You will learn how to classify and separate mixtures. 2.2
© Copyright Pearson Prentice Hall Mixtures Slide 3 of 21 > Classifying Mixtures How can mixtures be classified? 2.2
Slide 4 of 21 © Copyright Pearson Prentice Hall > Mixtures Classifying Mixtures A mixture is a physical blend of two or more components. Ex: salad, salsa 2.2
© Copyright Pearson Prentice Hall > Slide 5 of 21 Mixtures Classifying Mixtures Mixtures can be classified as heterogeneous mixtures homogeneous mixtures 2.2
Slide 6 of 21 © Copyright Pearson Prentice Hall > MixturesClassifying Mixtures Heterogeneous Mixtures A mixture in which the composition is not uniform throughout. 2.2
Slide 7 of 21 © Copyright Pearson Prentice Hall > MixturesClassifying Mixtures Homogeneous Mixtures A mixture in which the composition is uniform throughout. Another name for a homogeneous mixture is a solution. 2.2
Slide 8 of 21 © Copyright Pearson Prentice Hall > Mixtures 2.2 Classifying Mixtures The term phase is used to describe any part of a sample with uniform composition and properties. A homogenous mixture consists of a single phase. A heterogeneous mixture consists of two or more phases.
Slide 9 of 21 © Copyright Pearson Prentice Hall > Mixtures 2.2 Classifying Mixtures When oil and vinegar are mixed they form layers, or phases. The oil phase floats on the water phase.
© Copyright Pearson Prentice Hall Slide 10 of 21 Practice Problems for Conceptual Problem 2.2 Problem Solving 2.10 Solve Problem 10 with the help of an interactive guided tutorial.
© Copyright Pearson Prentice Hall Mixtures Slide 11 of 21 > 2.2 Separating Mixtures How can mixtures be separated?
© Copyright Pearson Prentice Hall > Slide 12 of 21 Mixtures Separating Mixtures Differences in physical properties can be used to separate mixtures. 2.2
Slide 13 of 21 © Copyright Pearson Prentice Hall > Mixtures Separating Mixtures Filtration The process that separates a solid from the liquid in a heterogeneous mixture is called filtration. A colander is used to separate pasta from the water in which it was cooked. This process is a type of filtration. 2.2
Slide 14 of 21 © Copyright Pearson Prentice Hall > Mixtures Separating Mixtures Distillation During a distillation, a liquid is boiled to produce a vapor that is then condensed into a liquid. 2.2
© Copyright Pearson Prentice Hall Slide 15 of 21 Section Quiz -or- Continue to: Launch: Assess students understanding of the concepts in Section 2.2 Section Quiz. 2.2.
© Copyright Pearson Prentice Hall Slide 16 of Section Quiz. 1.Which of the following phrases describes a mixture? a.composition varies b.composition may vary c.components cannot be separated
© Copyright Pearson Prentice Hall Slide 17 of Section Quiz. 2.Which of the following is a homogeneous mixture? a.vinegar b.iron filings in sand c.chicken noodle soup d.muddy water
© Copyright Pearson Prentice Hall Slide 18 of Section Quiz. 3.Which technique is used to separate homogeneous mixtures? a.filtration b.distillation c.magnetism d.dissolving
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Slide 1 of 19 Chemistry. © Copyright Pearson Prentice Hall Slide 2 of 19 Chemical Reactions Iron is abundant, easy to shape when heated, and relatively.
Slide 1 of 25 Chemistry 2.3. © Copyright Pearson Prentice Hall Elements and Compounds > Slide 2 of 25 Distinguishing Elements and Compounds How are elements.
Slide 1 of 26 Chemistry. © Copyright Pearson Prentice Hall Slide 2 of 26 Properties of Matter > Describing Matter Properties can be classified as: a.
Slide 1 of 25 Density 3.4. © Copyright Pearson Prentice Hall Slide 2 of 25 Density > Determining Density Density is the ratio of the mass of an object.
Slide 1 of 43 Slide 1 of 43 Conversion Problems 3.3.
Slide 1 of 48 Measurements and Their Uncertainty
Slide 1 of 34 Chemistry © Copyright Pearson Prentice Hall Slide 2 of 34 The Flow of Energy—Heat and Work The temperature of lava from a volcano.
Slide 1 of 33 International System of Units 3.2. Slide 2 of 33 © Copyright Pearson Prentice Hall The International System of Units > Measuring with SI.
Slide 1 of 18 Chemistry © Copyright Pearson Prentice Hall Slide 2 of 18 Radiation in Your Life In a smoke detector, radiation from the Americum.
1 Chapter 2 Matter and Change Charles Page High School Dr. Stephen L. Cotton.
Mixture- a blend of two or more kinds of matter, each of which retains its own identity and properties We can separate the components of a mixture by.
Slide 1 of 48 Measurements and Their Uncertainty Section Significant Figures in Measurements.
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Lab 5.2 Notes Mixtures and Solutions. MATTER Can it be separated? Mixtures Pure Substances Is composition uniform? Can it be decomposed by ordinary chemical.
Matter (Review and New) Recall that all matter can be classified as a mixture or a substance. Up to now we have concentrated on how to classify matter.
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Slide 1 of 31 Periodic Trends 6.3. © Copyright Pearson Prentice Hall Slide 2 of 31 Periodic Trends Sodium chloride (table salt) produced the geometric.
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