Now that we have ΔH˚rxn and ΔS˚rxn, we can now solve for ΔG˚rxn.
The given temperature is 200 K.
For ammonia (NH3), the enthalpy of fusion is 5.65 kJ/mol and the entropy of fusion is 28.9 J/K•mol.
a. Will NH3(s) spontaneously melt at 200. K?
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