For a certain thermochemical reaction \( \mathrm{M} \rightarrow \mathrm{N} \) at \( T = 400\,\mathrm{K} \), \( \Delta H^\ominus = 77.2\,\mathrm{kJ\,mol^{-1}} \), \( \Delta S = 122\,\mathrm{J\,K^{-1}} \), log equilibrium constant (\( \log K \)) is – __________ × \( 10^{-1} \).
