Solid ammonium nitrate is very soluble in water. When it dissolves, the solution becomes very cold. Based on this information alone, what are the most likely signs of ΔH ̊, ΔS ̊ and ΔG ̊?
a) +, +, ‐
b) +, +, +
c) +, ‐, ‐
d) ‐, ‐, ‐
e) ‐, +, ‐
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