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Get Full Access to Chemistry: A Molecular Approach - 3 Edition - Chapter 1 - Problem 5e
Get Full Access to Chemistry: A Molecular Approach - 3 Edition - Chapter 1 - Problem 5e

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# What observations did Antoine Lavoisier make? What law did ISBN: 9780321809247 1

## Solution for problem 5E Chapter 1

Chemistry: A Molecular Approach | 3rd Edition

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Problem 5E

What observations did Antoine Lavoisier make? What law did he formulate?

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Solution 5E: We know Density is defined as the ratio of mass per volume of the substance. Density = Mass/volume Thus Density Mass, Density is directly proportional to Mass. This indicated that if density is more for any substance then that substance will have more mass. Density of Aluminium is 2.70 g/cm 3 3 Density of Silver is 0.49 g/cm Density of nickel is 8.90 g/cm 3 The order of mass from lightest to heaviest are given below Aluminium(2.70 g/cm ) < Nickel(8.90 g/cm ) < Silver (10.49 g/cm ) 3 Second Part Density = Mass/volume Density 1/volume Where, density is inversely proportional to the volume of the substance. This indicated that if density of a substance is more then that substance will have smaller in Volume. Since Volume is directly proportional to the size of the substance. If volume volume is more than size will be high. So Density 1/volume 1/size From the question, Density of Gold i s 19.32 g/cm3 Density of Platinum is 21.45 g/cm 3 3 Density of Lead is 11.35 g/cm The order of size from smallest to largest are given below 3 3 3 Platinum (21.45 g/cm ) < Gold (21.45 g/cm ) < Lead (11.35 g/cm ) Smallest largest

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