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OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
11th Edition
ISBN: 9781305673939
Author: Darrell Ebbing; Steven D. Gammon
Publisher: Cengage Learning US
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Chapter 1, Problem 1.32QP
Consider the following compounds and their densities.
You create a column of the liquids in a glass cylinder with the most dense material on the bottom layer and the least dense on the top. You do not allow the liquids to mix.
- a First you drop a plastic bead that has a density of 0.24 g/cm3 into the column. What do you expect to observe?
- b Next you drop a different plastic bead that has a volume of 0.043 mL and a mass of 3.92 × 10−2 g into the column. What would you expect to observe in this case?
- c You drop another bead into the column and observe that it makes it all the way to the bottom of the column. What can you conclude about the density of this bead?
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Read the descriptions below of two substances and an experiment on each. Decide whether the result of the experiment tells you the substance is a pure substance or a mixture, if you can.
Sample A is
100.mL
of a clear liquid. The density of the liquid is measured, and turns out to be
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Sample B is a solid yellow cube with a total mass of
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55.atm
an orange liquid is observed seeping from the cube. After
30
minutes this flow stops, and the smaller and lighter-colored cube sits in a puddle of orange liquid without further change.
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If the description of…
Read the descriptions below of two substances and an experiment on each. Decide whether the result of the experiment tells you the substance is a pure
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Sample B is 100. mL of a clear liquid. The density of the liquid is measured, and turns out to be 0.77 g/mL. The liquid is then cooled in the refrigerator
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Chapter 1 Solutions
OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
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