When Ammonium Nitrate Dissolves Spontaneously in Water the Temperature of the Solution

question 49

Multiple Choice

When ammonium nitrate dissolves spontaneously in water the temperature of the solution decreases.Which statement is true for this system?

• A) ΔH < 0 and ΔS < 0
• B) ΔH < 0 and ΔS = 0
• C) ΔH = 0 and ΔS > 0
• D) ΔH > 0 and ΔS > 0
• E) ΔH > 0 and ΔS < 0

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