A Solution Consisting of 0

question 4

Multiple Choice

A solution consisting of 0.276 mol of methylbenzene,C₆H₅CH₃,in 242 g of nitrobenzene,C₆H₅NO₂,freezes at -2.0 °C.Pure nitrobenzene freezes at 6.0°C.What is the freezing-point depression constant of nitrobenzene?

• A)7.2°C/m
• B)29°C/m
• C)14.0°C/m
• D)3.5°C/m
• E)7.0°C/m

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Definitions:

Muscular Rigidity

A condition where muscles remain constantly contracted, causing stiffness or inflexibility of the affected muscles.

Resting Tremor

An involuntary, rhythmic muscle contraction occurring when a part of the body is at rest, often associated with Parkinson's disease.

Involuntary Movements

Movements that occur without conscious control, often as a result of neurological disorders.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems involved in muscle activation, memory, and learning.