Refer to the Table Below

question 125

Multiple Choice

Refer to the table below. Which statement explains reasons for differences in the heat of vaporization for these compounds?

• A) Glycerin's high heat of vaporization compared with that of the other molecules can be explained because it is both polar and capable of forming hydrogen bonds.
• B) The heat of vaporization of glycerin is twice as high as that of water because glycerin is so much larger in size than water.
• C) The greater hydrogen-bonding capacity of glycerin explains its greater heat of vaporization when compared with water or propanol.
• D) Water has a lower heat of vaporization compared with glycerin and propanol because its hydrogen bonds are weaker.
• E) Molecules that are polar and capable of forming hydrogen bonds tend to have similar heats of vaporization.

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Definitions:

Accountability

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