The Standard Free Energy Change Associated with the Dissolution of Ammonium

question 64

Multiple Choice

The standard free energy change associated with the dissolution of ammonium nitrate in water is -6.73 kJ/mol at 298.15 K.

NH₄NO₃(s) NH₄NO₃(aq)
What is the equilibrium constant for the reaction? (R = 8.314 J/K.mol)

• A) 1.9 \(\times\) 10^-3
• B) 6.6 \(\times\) 10^-2
• C) 1.0
• D) 15
• E) 5.2 \(\times\)10²

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