Ethylene Glycol Is Used in Automobile Radiators as an Antifreeze

question 18

Multiple Choice

Ethylene glycol is used in automobile radiators as an antifreeze. What will the freezing point of an antifreeze solution be if 2.5 L of ethylene glycol are mixed together with 2.5 L of water? The following information may be helpful to you. Ethylene glycol has a very low vapor pressure and is essentially nonvolatile. molar mass of ethylene glycol = 62.1 g/mol
Van't Hoff factor = 1
Density of ethylene glycol = 1.11 g/mL
Density of water = 1.00 g/mL
K_f for water = 1.86°C kg/mol

• A) -39°C
• B) -16°C
• C) -1.6°C
• D) -33°C
• E) -24°C

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Definitions:

Conflict Theory

A sociological perspective that views social life as a competition for limited resources and emphasizes the role of power and inequality in society.

Polygamous Families

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Adopted Children

Children who have become part of a family through the legal process of adoption, not biologically related to their adoptive parents but granted the same legal rights and status.

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Couples of the same gender who raise children together, through biological means, adoption, or other methods.