The Dissolution of Ammonium Nitrate Occurs Spontaneously in Water at 25°C.As

question 11

Multiple Choice

The dissolution of ammonium nitrate occurs spontaneously in water at 25°C.As NH₄NO₃ dissolves,the temperature of the water decreases.What are the signs of ΔH,ΔS,and ΔG for this process?

• A) ΔH > 0,ΔS < 0,ΔG > 0
• B) ΔH > 0,ΔS > 0,ΔG > 0
• C) ΔH > 0,ΔS > 0,ΔG < 0
• D) ΔH < 0,ΔS < 0,ΔG < 0
• E) ΔH < 0,ΔS > 0,ΔG > 0

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Definitions:

Attention

The focusing of mental resources on specific information to become consciously aware of that information.

Testable Prediction

A statement forecasting a specific outcome that can be verified through experimentation or observation, fundamental in the scientific method.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Empiricism

The theory that knowledge comes primarily from sensory experience and that scientific methods should rely on observation and experimentation.