Question

What is the ∆G for the following reaction under nonstandard conditions for the formation of NH4NO3(s)? Given:
NH4NO3: ∆Hf = -365.56 kJ ∆Sf = 151.08
NH3: ∆Hf = -46.11 kJ ∆Sf = 192.45
H2O: ∆Hf = -285.830 kJ ∆Sf = 69.91