Below What Temperature Does the Following Reaction Become Nonspontaneous? 2

question 8

Multiple Choice

Below what temperature does the following reaction become nonspontaneous? 2 HNO₃(aq) + NO(g) → 3 NO₂(g) + H₂O(l) ΔH = +136.5 kJ; ΔS = +287.5 J/K

• A) 39.2 K
• B) 151 K
• C) 475 K
• D) This reaction is nonspontaneous at all temperatures.
• E) This reaction is spontaneous at all temperatures.

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Definitions:

Homeostasis

The process by which organisms maintain a stable internal environment in the face of external changes.

Distress

Negative stress that can result in anxiety or concern, often triggered by unpleasant events or situations.

Eustress

Positive stress that motivates and energizes individuals, leading to improved performance and well-being.

GAS

Stands for General Adaptation Syndrome, detailing the body's physiological response to stress through stages of alarm, resistance, and exhaustion.