Ethylene Glycol Is Used in Automobile Radiators as an Antifreeze $\circ$

question 43

Multiple Choice

Ethylene glycol is used in automobile radiators as an antifreeze.Use the following information to determine the freezing point of an antifreeze solution made by mixing 2.5 L of ethylene glycol with 2.5 L of water.Ethylene glycol is essentially nonvolatile and it does not dissociate in water. molar mass of ethylene glycol = 62.1 g/mol
Density of ethylene glycol = 1.11 g/mL
Density of water = 1.00 g/mL
K_f for water = 1.86 ^$\circ$ C kg/mol

• A)-39 \(\circ\) C
• B)-16 \(\circ\) C
• C)-1.6 \(\circ\) C
• D)-33 \(\circ\) C
• E)-24 \(\circ\) C

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Definitions:

Collective Unconscious

A term coined by Carl Jung that refers to the part of the unconscious mind which is derived from ancestral memory and experience shared by all humanity.

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