Chemistry Practice Problems Gibbs Free Energy Practice Problems Solution: Calculate the standard free-energy change for the ...

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Solution: Calculate the standard free-energy change for the formation of NO (g) from N 2 (g) and O2 (g) at 298 K: N2 (g) + O2 (g) → 2 NO (g) Given that ΔH° = 180.7 kJ and ΔS° = 24.7 J/K. Is the reaction spontaneous under these conditions?

Problem

Calculate the standard free-energy change for the formation of NO (g) from N 2 (g) and O2 (g) at 298 K:

N2 (g) + O2 (g) → 2 NO (g)

Given that ΔH° = 180.7 kJ and ΔS° = 24.7 J/K. Is the reaction spontaneous under these conditions?