The Normal Freezing Point of Ammonia Is -78°C $\Delta$ H $\Delta$ S, And

The normal freezing point of ammonia is -78°C.Predict the signs of $\Delta$ H, $\Delta$ S, and $\Delta$ G for ammonia when it freezes at -80°C and 1 atm: NH₃(l) $\rarr$ NH₃(s)

A) A
B) B
C) C
D) D
E) E