At What Temperatures Will a Reaction Be Spontaneous If Δ_rH°

question 44

Multiple Choice

At what temperatures will a reaction be spontaneous if Δ_rH° = +62.4 kJ and Δ_rS° = +301 J/K?

• A) All temperatures below 207 K
• B) All temperatures above 207 K
• C) Temperatures between 179 K and 235 K
• D) The reaction will be spontaneous at any temperature
• E) The reaction will never be spontaneous

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Definitions:

Defense Mechanisms

Tactics of the mind used by individuals to confront the truth of their existence while upholding their self-perception.

Sublimation

A defense mechanism in psychoanalytic theory where socially unacceptable impulses or idealizations are unconsciously transformed into socially acceptable actions or behavior.

Repression

A defense mechanism where unpleasant thoughts, desires, or experiences are excluded from conscious awareness.

Libido

The energy of the sexual drive as a component of the life instinct.