The following reaction takes place at 120°C: H 2O( l) →H 2O( g)     Δ H = 44.0 kJ/mol   Δ S = 0.119 kJ/mol K Which of the following must be true?   a. The reaction is not spontaneous.   b. The reaction is spontaneous.   c. ΔG = 0   d. ΔG < 0   e. Two of these.

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