Ethylene glycol (HOCH2CH2OH) and pentane (C5H12) areboth liquids at room temperature and room pressure, andhave about the same molecular weight. (a) One of these liquidsis much more viscous than the other. Which one doyou predict is more viscous? (b) One of these liquids has amuch lower normal boiling point (36.1 °C) compared to theother one (198 °C). Which liquid has the lower normal boilingpoint? (c) One of these liquids is the major componentin antifreeze in automobile engines. Which liquid wouldyou expect to be used as antifreeze? (d) One of these liquidsis used as a “blowing agent” in the manufacture of polystyrenefoam because it is so volatile. Which liquid would youexpect to be used as a blowing agent?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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Ethylene glycol (HOCH2CH2OH) and pentane (C5H12) are
both liquids at room temperature and room pressure, and
have about the same molecular weight. (a) One of these liquids
is much more viscous than the other. Which one do
you predict is more viscous? (b) One of these liquids has a
much lower normal boiling point (36.1 °C) compared to theother one (198 °C). Which liquid has the lower normal boiling
point? (c) One of these liquids is the major component
in antifreeze in automobile engines. Which liquid would
you expect to be used as antifreeze? (d) One of these liquids
is used as a “blowing agent” in the manufacture of polystyrene
foam because it is so volatile. Which liquid would you
expect to be used as a blowing agent?

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