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Slide 1 of 25 Density 3.4

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© Copyright Pearson Prentice Hall Slide 2 of 25 Density > Determining Density Density is the ratio of the mass of an object to its volume. 3.4

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© Copyright Pearson Prentice Hall Slide 3 of 25 Density > Determining Density Density is an intensive property that depends only on the composition of a substance, not on the size of the sample. 3.4

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© Copyright Pearson Prentice Hall Density > Slide 4 of 25 Density and Temperature How does a change in temperature affect density? 3.4

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Slide 5 of 25 © Copyright Pearson Prentice Hall Density > Density and Temperature Experiments show that the volume of most substances increases as the temperature increases. Meanwhile, the mass remains the same. Thus, the density must change. The density of a substance generally decreases as its temperature increases. 3.4

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 6 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 7 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 8 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 9 of

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© Copyright Pearson Prentice Hall Slide 10 of 25 Practice Problems Problem Solving 3.47 Solve Problem 47 with the help of an interactive guided tutorial. for Sample Problem 3.10

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 11 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 12 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 13 of

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 14 of

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© Copyright Pearson Prentice Hall Slide 15 of 25 Practice Problems Problem Solving 3.48 Solve Problem 48 with the help of an interactive guided tutorial. for Sample Problem 3.11

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© Copyright Pearson Prentice Hall Slide 16 of 25 Section Quiz -or- Continue to: Launch: Assess students understanding of the concepts in Section Section Assessment 3.4

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© Copyright Pearson Prentice Hall Slide 17 of Section Quiz 1. If 50.0 mL of corn syrup have a mass of 68.7 g, the density of the corn syrup is a g/mL. b g/mL. c.1.36 g/mL. d.1.37 g/mL.

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© Copyright Pearson Prentice Hall Slide 18 of Section Quiz 2. What is the volume of a pure gold coin that has a mass of 38.6 g? The density of gold is 19.3 g/cm 3. a cm 3 b.2.00 cm 3 c.38.6 cm 3 d.745 cm 3

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© Copyright Pearson Prentice Hall Slide 19 of Section Quiz 3. As the temperature increases, the density of most substances a.increases. b.decreases. c.remains the same. d.increases at first and then decreases.

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© Copyright Pearson Prentice Hall Slide 20 of 25 Density > Concept map Concept Map 3 Solve the Concept Map with the help of an interactive guided tutorial.

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