What Is the Vapor Pressure at 20°C of an Ideal

question 11

Multiple Choice

What is the vapor pressure at 20°C of an ideal solution prepared by the addition of 4.60 g of the nonvolatile solute urea,CO(NH₂) ₂,to 50.2 g of methanol,CH₃OH? The vapor pressure of pure methanol at 20°C is 89.0 mmHg.

• A) 4.15 mmHg
• B) 76.0 mmHg
• C) 81.5 mmHg
• D) 84.9 mmHg
• E) 13.0 mmHg

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Definitions:

Central Tendency Error

The inaccurately concentrated rating of all employees towards the middle of a performance scale, avoiding the extremes of high and low evaluations.

Perceptual Error

A cognitive mistake that occurs when interpreting information about the environment, often leading to inaccuracies in judgment or understanding.

Supervisor

An individual in a position of authority who oversees and directs the work of other employees to ensure organizational goals are met.

Beauty Effect

A social phenomenon where individuals perceived as attractive are often given preferential treatment or are judged more favorably.