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