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

question 65

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 does not dissociate in water.molar mass of ethylene glycol = 62.07 g/mol
Density of ethylene glycol=1.11 g/mL
Density of water =1.00 g/mL
K_f for water =1.86 $\degree$ C kg/mol

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

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Definitions:

Fiber-rich

Refers to foods that have a high content of dietary fiber, which is beneficial for digestive health, and can aid in maintaining a healthy weight and lowering the risk of various diseases.

Digestive Tract

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, through which food is digested.

Constipation

A sluggish action of the bowel; usually refers to an excessively firm, hard stool that is difficult to expel or lack of a bowel movement over a time.