A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of ethanolamine, acetone, chloroform, tetrahydrofuran, and pentane. The chemist plans to try to identify the unknown liquid by measuring the density and comparing to known densities. First, from his collection of Material Safety Data Sheets (MSDS), the chemist finds the following information: liquid density ethanolamine -3 1.0 g- cm acetone 0.79 g· cm - 3 1.5 g. cm chloroform tetrahydrofuran -3 0.89 g· cm -3 0.63 g· cm pentane Next, the chemist measures the volume of the unknown liquid as 0.874 L and the mass of the unknown liquid as 690. g. Calculate the density of the liquid. Round your answer to 3 significant digits. -3 g* cm O yes Given the data above, is it possible identify the liquid? O no ethanolamine acetone If it is possible to identify the liquid, do so. O chloroform O tetrahydrofuran O pentane
A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of ethanolamine, acetone, chloroform, tetrahydrofuran, and pentane. The chemist plans to try to identify the unknown liquid by measuring the density and comparing to known densities. First, from his collection of Material Safety Data Sheets (MSDS), the chemist finds the following information: liquid density ethanolamine -3 1.0 g- cm acetone 0.79 g· cm - 3 1.5 g. cm chloroform tetrahydrofuran -3 0.89 g· cm -3 0.63 g· cm pentane Next, the chemist measures the volume of the unknown liquid as 0.874 L and the mass of the unknown liquid as 690. g. Calculate the density of the liquid. Round your answer to 3 significant digits. -3 g* cm O yes Given the data above, is it possible identify the liquid? O no ethanolamine acetone If it is possible to identify the liquid, do so. O chloroform O tetrahydrofuran O pentane
Chemistry
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ISBN:9781305957404
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Question
the chemist measures the volume of the unknown liquid as
0.874L and the mass of the unknown liquid as 690.g
| Calculate the density of the liquid. Round your answer to 3 significant digits. |
⋅gcm−3
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| Given the data above, is it possible to identify the liquid? |
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| If it is possible to identify the liquid, do so. |
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Transcribed Image Text:A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of
ethanolamine, acetone, chloroform, tetrahydrofuran, and pentane.
The chemist plans to try to identify the unknown liquid by measuring the density and comparing to known densities. First, from his collection of Material Safety
Data Sheets (MSDS), the chemist finds the following information:
liquid
density
ethanolamine
-3
1.0 g· cm
-3
0.79 g· cm
acetone
chloroform
-3
1.5 g· cm
tetrahydrofuran
-3
0.89 g· cm
pentane
-3
0.63 g· cm
Next, the chemist measures the volume of the unknown liquid as 0.874 L and the mass of the unknown liquid as 690. g.
Calculate the density of the liquid. Round
-3
|g cm
your answer to 3 significant digits.
О yes
Given the data above, is it possible to
identify the liquid?
O no
O ethanolamine
O acetone
If it is possible to identify the liquid, do so.
O chloroform
O tetrahydrofuran
O pentane
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