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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 25 3.10

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 7 of 25 3.10

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 8 of 25 3.10

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 9 of 25 3.10

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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 25 3.11

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 12 of 25 3.11

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 13 of 25 3.11

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© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 14 of 25 3.11

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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 25 3.4 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.0.737 g/mL. b.0.727 g/mL. c.1.36 g/mL. d.1.37 g/mL.

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© Copyright Pearson Prentice Hall Slide 18 of 25 3.4 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.0.500 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 25 3.4 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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