The Freezing Point of Ethanol (C₂H₅OH)is -114

question 80

Multiple Choice

The freezing point of ethanol (C₂H₅OH) is -114.6 °C. The molal freezing point depression constant for ethanol is 2.00 °C/m. What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin (C₃H₈O₃, a nonelectrolyte) in 200.0 g of ethanol?

• A)-115.0
• B)-5.43
• C)-132.3
• D)-120.0
• E)-114.6

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Definitions:

Limbic System Structure

The complex system of nerves and networks in the brain, involving several areas near the edge of the cortex concerned with instinct and mood. It controls the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Aggression and Fear

Emotional and behavioral responses that can manifest as a result of threats to survival or wellbeing; aggression is often a response to fear or a perceived threat.

Surgically Removed

The process of physically extracting or excising tissue, organs, or tumors from the body through surgical means.

Less Aggressive

Characterized by milder or more restrained forms of aggression, suggesting a more passive or gentle approach.