Carbon Tetrachloride,once Widely Used in Fire Extinguishers and as a Dry

question 60

Multiple Choice

Carbon tetrachloride,once widely used in fire extinguishers and as a dry cleaning fluid,has been found to cause liver damage to those exposed to its vapors over long periods of time.What is the boiling point of a solution prepared by dissolving 375 g of sulfur (S₈,
= 256.5g/mol) in 1250 g of CCl₄? K_b = 5.05°C/m,boiling point of pure CCl₄ = 76.7°C?

• A)70.8°C
• B)75.2°C
• C)78.2°C
• D)82.6°C
• E)>85°C

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Definitions:

Silence Interpretation

How individuals perceive and understand the absence of verbal communication, which can vary across contexts and cultures.

Type A

A personality type characterized by competitiveness, time urgency, and a higher stress level, thought to have a greater risk of heart disease.

Achievement Task

Activities or goals set with the purpose of demonstrating or testing one's own ability to accomplish a specific achievement.

Extrinsic Rewards

Benefits or incentives provided by an external source, such as money or praise, which motivate individuals to perform certain actions.