題組內容

6. Mercuric oxide dissociates according to the reaction 2HgO(s) ↔ 2Hg(g) + O2(g). At 420 °Cthe dissociation pressure is 5.16 × 104 Pa, and at 450 °C it is 10.8 × 104 Pa. Calculate (10%)

(b) the enthalpy of dissociation per mole of HgO.