Equilibrium Pressures of Oxygen over Mn[sub 2]O[sub 3]-Mn[sub 3]O[sub 4] at Various Temperatures

The equilibrium represented by the equation has been studied by measuring the equilibrium pressures of oxygen over . From the data obtained in the 1132°–1247°K range studied ΔH° and ΔS° were calculated for the reaction at and , respectively. These constants can be used in the equation