The Dissolution of Ammonium Nitrate Occurs Spontaneously in Water at 25

question 19

Multiple Choice

The dissolution of ammonium nitrate occurs spontaneously in water at 25 °C.As ammonium nitrate dissolves,the temperature of the water decreases.What are the signs of Δ_rH,Δ_rS,and Δ_rG for this process?

• A) Δ_rH > 0,Δ_rS < 0,and Δ_rG > 0
• B) Δ_rH > 0,Δ_rS > 0,and Δ_rG > 0
• C) Δ_rH > 0,Δ_rS > 0,and Δ_rG < 0
• D) Δ_rH < 0,Δ_rS < 0,and Δ_rG < 0
• E) Δ_rH < 0,Δ_rS > 0,and Δ_rG > 0

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Definitions:

Inner Conflict

A psychological struggle within oneself arising from opposing demands or impulses.

General Adaptation Syndrome

A model that describes the body's physiological response to stress in three stages: alarm, resistance, and exhaustion.

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A situation or an event that causes the body to react (causes stress).

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Factors or conditions in one’s physical or social environment that cause stress, such as workload, family issues, or environmental changes.