Substance X Has a Heat of Vaporization of 55

question 2

Multiple Choice

Substance X has a heat of vaporization of 55.4 kJ/mol at its normal boiling point (423°C) . For the process X(l)  X(g) at 1 atm and 423°C, calculate the value of:
-S

• A) 0
• B) 103 J/K•mol
• C) -79.6 J/K•mol
• D) 79.6 J/K•mol
• E) -103 J/K•mol

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Definitions:

Primary Language

The first language that a person learns and becomes proficient in, often from birth or during early childhood.

Stroop Effect

A demonstration of cognitive interference where a delay in the reaction time of a task occurs due to a mismatch in stimuli.

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A language that is learned after one's native language, also referred to as a foreign or additional language.

Younger Age

Refers to an early stage in the life span, typically a period characterized by rapid physical and psychological development.